Home / 14,901.28-20,559.40-9,240.24

Finding the Fourth Proportional to 14,901.28, 20,559.40 and 9,240.24

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Solution

The fourth proportional to 14,901.28, 20,559.40 and 9,240.24 is: 12,748.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,901.28 : 20,559.40 = 9,240.24 : x
  2. Step 2: Convert to fraction form
    14,901.28/20,559.40 = 9,240.24/x
  3. Step 3: Cross multiply
    14,901.28x = 20,559.40 × 9,240.24
  4. Step 4: Simplify right side
    14,901.28x = 189,973,790.26
  5. Step 5: Solve for x
    x = 189,973,790.26/14,901.28
  6. Step 6: Final answer
    x = 12,748.82

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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.