Home / 14,002.95-19,324.40-7,715.91

Finding the Fourth Proportional to 14,002.95, 19,324.40 and 7,715.91

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Solution

The fourth proportional to 14,002.95, 19,324.40 and 7,715.91 is: 10,648.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.95 : 19,324.40 = 7,715.91 : x
  2. Step 2: Convert to fraction form
    14,002.95/19,324.40 = 7,715.91/x
  3. Step 3: Cross multiply
    14,002.95x = 19,324.40 × 7,715.91
  4. Step 4: Simplify right side
    14,002.95x = 149,105,292.62
  5. Step 5: Solve for x
    x = 149,105,292.62/14,002.95
  6. Step 6: Final answer
    x = 10,648.13

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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.