Home / 8,938.90-13,348.15-7,298.65

Finding the Fourth Proportional to 8,938.90, 13,348.15 and 7,298.65

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Solution

The fourth proportional to 8,938.90, 13,348.15 and 7,298.65 is: 10,898.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.90 : 13,348.15 = 7,298.65 : x
  2. Step 2: Convert to fraction form
    8,938.90/13,348.15 = 7,298.65/x
  3. Step 3: Cross multiply
    8,938.90x = 13,348.15 × 7,298.65
  4. Step 4: Simplify right side
    8,938.90x = 97,423,475.00
  5. Step 5: Solve for x
    x = 97,423,475.00/8,938.90
  6. Step 6: Final answer
    x = 10,898.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.