Home / 16,389.40-24,587.70-5,294.20

Finding the Fourth Proportional to 16,389.40, 24,587.70 and 5,294.20

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Solution

The fourth proportional to 16,389.40, 24,587.70 and 5,294.20 is: 7,942.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,389.40 : 24,587.70 = 5,294.20 : x
  2. Step 2: Convert to fraction form
    16,389.40/24,587.70 = 5,294.20/x
  3. Step 3: Cross multiply
    16,389.40x = 24,587.70 × 5,294.20
  4. Step 4: Simplify right side
    16,389.40x = 130,172,201.34
  5. Step 5: Solve for x
    x = 130,172,201.34/16,389.40
  6. Step 6: Final answer
    x = 7,942.46

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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.