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Finding the Fourth Proportional to 23,487, 32,412.06 and 13,551

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Solution

The fourth proportional to 23,487, 32,412.06 and 13,551 is: 18,700.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,487 : 32,412.06 = 13,551 : x
  2. Step 2: Convert to fraction form
    23,487/32,412.06 = 13,551/x
  3. Step 3: Cross multiply
    23,487x = 32,412.06 × 13,551
  4. Step 4: Simplify right side
    23,487x = 439,215,825.06
  5. Step 5: Solve for x
    x = 439,215,825.06/23,487
  6. Step 6: Final answer
    x = 18,700.38

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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.