Home / 10,904.61-15,053.70-7,318.29

Finding the Fourth Proportional to 10,904.61, 15,053.70 and 7,318.29

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Solution

The fourth proportional to 10,904.61, 15,053.70 and 7,318.29 is: 10,102.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904.61 : 15,053.70 = 7,318.29 : x
  2. Step 2: Convert to fraction form
    10,904.61/15,053.70 = 7,318.29/x
  3. Step 3: Cross multiply
    10,904.61x = 15,053.70 × 7,318.29
  4. Step 4: Simplify right side
    10,904.61x = 110,167,342.17
  5. Step 5: Solve for x
    x = 110,167,342.17/10,904.61
  6. Step 6: Final answer
    x = 10,102.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.