Home / 13,916.28-19,204.53-7,542.90

Finding the Fourth Proportional to 13,916.28, 19,204.53 and 7,542.90

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Solution

The fourth proportional to 13,916.28, 19,204.53 and 7,542.90 is: 10,409.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.28 : 19,204.53 = 7,542.90 : x
  2. Step 2: Convert to fraction form
    13,916.28/19,204.53 = 7,542.90/x
  3. Step 3: Cross multiply
    13,916.28x = 19,204.53 × 7,542.90
  4. Step 4: Simplify right side
    13,916.28x = 144,857,849.34
  5. Step 5: Solve for x
    x = 144,857,849.34/13,916.28
  6. Step 6: Final answer
    x = 10,409.24

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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.