Home / 14,289.68-21,434.36-5,053.52

Finding the Fourth Proportional to 14,289.68, 21,434.36 and 5,053.52

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Solution

The fourth proportional to 14,289.68, 21,434.36 and 5,053.52 is: 7,580.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.68 : 21,434.36 = 5,053.52 : x
  2. Step 2: Convert to fraction form
    14,289.68/21,434.36 = 5,053.52/x
  3. Step 3: Cross multiply
    14,289.68x = 21,434.36 × 5,053.52
  4. Step 4: Simplify right side
    14,289.68x = 108,318,966.95
  5. Step 5: Solve for x
    x = 108,318,966.95/14,289.68
  6. Step 6: Final answer
    x = 7,580.22

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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.