Home / 10,069.30-15,089.10-7,301.80

Finding the Fourth Proportional to 10,069.30, 15,089.10 and 7,301.80

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Solution

The fourth proportional to 10,069.30, 15,089.10 and 7,301.80 is: 10,941.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,069.30 : 15,089.10 = 7,301.80 : x
  2. Step 2: Convert to fraction form
    10,069.30/15,089.10 = 7,301.80/x
  3. Step 3: Cross multiply
    10,069.30x = 15,089.10 × 7,301.80
  4. Step 4: Simplify right side
    10,069.30x = 110,177,590.38
  5. Step 5: Solve for x
    x = 110,177,590.38/10,069.30
  6. Step 6: Final answer
    x = 10,941.93

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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.