Home / 15,484.77-21,366.99-9,114.93

Finding the Fourth Proportional to 15,484.77, 21,366.99 and 9,114.93

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Solution

The fourth proportional to 15,484.77, 21,366.99 and 9,114.93 is: 12,577.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,484.77 : 21,366.99 = 9,114.93 : x
  2. Step 2: Convert to fraction form
    15,484.77/21,366.99 = 9,114.93/x
  3. Step 3: Cross multiply
    15,484.77x = 21,366.99 × 9,114.93
  4. Step 4: Simplify right side
    15,484.77x = 194,758,618.16
  5. Step 5: Solve for x
    x = 194,758,618.16/15,484.77
  6. Step 6: Final answer
    x = 12,577.43

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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.