Home / 15,602.66-21,541.20-10,156.89

Finding the Fourth Proportional to 15,602.66, 21,541.20 and 10,156.89

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Solution

The fourth proportional to 15,602.66, 21,541.20 and 10,156.89 is: 14,022.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,602.66 : 21,541.20 = 10,156.89 : x
  2. Step 2: Convert to fraction form
    15,602.66/21,541.20 = 10,156.89/x
  3. Step 3: Cross multiply
    15,602.66x = 21,541.20 × 10,156.89
  4. Step 4: Simplify right side
    15,602.66x = 218,791,598.87
  5. Step 5: Solve for x
    x = 218,791,598.87/15,602.66
  6. Step 6: Final answer
    x = 14,022.72

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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.