Home / 10,045.30-15,053.10-7,277.80

Finding the Fourth Proportional to 10,045.30, 15,053.10 and 7,277.80

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Solution

The fourth proportional to 10,045.30, 15,053.10 and 7,277.80 is: 10,905.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,045.30 : 15,053.10 = 7,277.80 : x
  2. Step 2: Convert to fraction form
    10,045.30/15,053.10 = 7,277.80/x
  3. Step 3: Cross multiply
    10,045.30x = 15,053.10 × 7,277.80
  4. Step 4: Simplify right side
    10,045.30x = 109,553,451.18
  5. Step 5: Solve for x
    x = 109,553,451.18/10,045.30
  6. Step 6: Final answer
    x = 10,905.94

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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.