Home / 19,130.28-28,695.30-11,333.52

Finding the Fourth Proportional to 19,130.28, 28,695.30 and 11,333.52

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Solution

The fourth proportional to 19,130.28, 28,695.30 and 11,333.52 is: 17,000.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.28 : 28,695.30 = 11,333.52 : x
  2. Step 2: Convert to fraction form
    19,130.28/28,695.30 = 11,333.52/x
  3. Step 3: Cross multiply
    19,130.28x = 28,695.30 × 11,333.52
  4. Step 4: Simplify right side
    19,130.28x = 325,218,756.46
  5. Step 5: Solve for x
    x = 325,218,756.46/19,130.28
  6. Step 6: Final answer
    x = 17,000.21

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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.