Home / 10,379.13-15,624.11-9,307.50

Finding the Fourth Proportional to 10,379.13, 15,624.11 and 9,307.50

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Solution

The fourth proportional to 10,379.13, 15,624.11 and 9,307.50 is: 14,010.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.13 : 15,624.11 = 9,307.50 : x
  2. Step 2: Convert to fraction form
    10,379.13/15,624.11 = 9,307.50/x
  3. Step 3: Cross multiply
    10,379.13x = 15,624.11 × 9,307.50
  4. Step 4: Simplify right side
    10,379.13x = 145,421,357.29
  5. Step 5: Solve for x
    x = 145,421,357.29/10,379.13
  6. Step 6: Final answer
    x = 14,010.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.