Home / 19,851.19-29,737.85-11,513.69

Finding the Fourth Proportional to 19,851.19, 29,737.85 and 11,513.69

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Solution

The fourth proportional to 19,851.19, 29,737.85 and 11,513.69 is: 17,247.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,851.19 : 29,737.85 = 11,513.69 : x
  2. Step 2: Convert to fraction form
    19,851.19/29,737.85 = 11,513.69/x
  3. Step 3: Cross multiply
    19,851.19x = 29,737.85 × 11,513.69
  4. Step 4: Simplify right side
    19,851.19x = 342,392,386.17
  5. Step 5: Solve for x
    x = 342,392,386.17/19,851.19
  6. Step 6: Final answer
    x = 17,247.95

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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.