Home / 14,528.79-20,041.27-9,149.10

Finding the Fourth Proportional to 14,528.79, 20,041.27 and 9,149.10

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Solution

The fourth proportional to 14,528.79, 20,041.27 and 9,149.10 is: 12,620.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,528.79 : 20,041.27 = 9,149.10 : x
  2. Step 2: Convert to fraction form
    14,528.79/20,041.27 = 9,149.10/x
  3. Step 3: Cross multiply
    14,528.79x = 20,041.27 × 9,149.10
  4. Step 4: Simplify right side
    14,528.79x = 183,359,583.36
  5. Step 5: Solve for x
    x = 183,359,583.36/14,528.79
  6. Step 6: Final answer
    x = 12,620.43

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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.