Home / 10,089.40-15,117.90-9,506.20

Finding the Fourth Proportional to 10,089.40, 15,117.90 and 9,506.20

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Solution

The fourth proportional to 10,089.40, 15,117.90 and 9,506.20 is: 14,244.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089.40 : 15,117.90 = 9,506.20 : x
  2. Step 2: Convert to fraction form
    10,089.40/15,117.90 = 9,506.20/x
  3. Step 3: Cross multiply
    10,089.40x = 15,117.90 × 9,506.20
  4. Step 4: Simplify right side
    10,089.40x = 143,713,780.98
  5. Step 5: Solve for x
    x = 143,713,780.98/10,089.40
  6. Step 6: Final answer
    x = 14,244.04

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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.