Home / 16,985.78-25,500.90-14,908.10

Finding the Fourth Proportional to 16,985.78, 25,500.90 and 14,908.10

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Solution

The fourth proportional to 16,985.78, 25,500.90 and 14,908.10 is: 22,381.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,985.78 : 25,500.90 = 14,908.10 : x
  2. Step 2: Convert to fraction form
    16,985.78/25,500.90 = 14,908.10/x
  3. Step 3: Cross multiply
    16,985.78x = 25,500.90 × 14,908.10
  4. Step 4: Simplify right side
    16,985.78x = 380,169,967.29
  5. Step 5: Solve for x
    x = 380,169,967.29/16,985.78
  6. Step 6: Final answer
    x = 22,381.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.