Home / 23,117.47-31,902.04-12,507.28

Finding the Fourth Proportional to 23,117.47, 31,902.04 and 12,507.28

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Solution

The fourth proportional to 23,117.47, 31,902.04 and 12,507.28 is: 17,260.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,117.47 : 31,902.04 = 12,507.28 : x
  2. Step 2: Convert to fraction form
    23,117.47/31,902.04 = 12,507.28/x
  3. Step 3: Cross multiply
    23,117.47x = 31,902.04 × 12,507.28
  4. Step 4: Simplify right side
    23,117.47x = 399,007,746.85
  5. Step 5: Solve for x
    x = 399,007,746.85/23,117.47
  6. Step 6: Final answer
    x = 17,260.01

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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.