Home / 22,548.77-31,117.34-12,477.64

Finding the Fourth Proportional to 22,548.77, 31,117.34 and 12,477.64

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Solution

The fourth proportional to 22,548.77, 31,117.34 and 12,477.64 is: 17,219.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,548.77 : 31,117.34 = 12,477.64 : x
  2. Step 2: Convert to fraction form
    22,548.77/31,117.34 = 12,477.64/x
  3. Step 3: Cross multiply
    22,548.77x = 31,117.34 × 12,477.64
  4. Step 4: Simplify right side
    22,548.77x = 388,270,966.28
  5. Step 5: Solve for x
    x = 388,270,966.28/22,548.77
  6. Step 6: Final answer
    x = 17,219.16

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.