Home / 15,345.28-23,012.16-7,557.76

Finding the Fourth Proportional to 15,345.28, 23,012.16 and 7,557.76

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Solution

The fourth proportional to 15,345.28, 23,012.16 and 7,557.76 is: 11,333.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,345.28 : 23,012.16 = 7,557.76 : x
  2. Step 2: Convert to fraction form
    15,345.28/23,012.16 = 7,557.76/x
  3. Step 3: Cross multiply
    15,345.28x = 23,012.16 × 7,557.76
  4. Step 4: Simplify right side
    15,345.28x = 173,920,382.36
  5. Step 5: Solve for x
    x = 173,920,382.36/15,345.28
  6. Step 6: Final answer
    x = 11,333.80

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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.