Home / 12,528.04-18,784.76-4,737.46

Finding the Fourth Proportional to 12,528.04, 18,784.76 and 4,737.46

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Solution

The fourth proportional to 12,528.04, 18,784.76 and 4,737.46 is: 7,103.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528.04 : 18,784.76 = 4,737.46 : x
  2. Step 2: Convert to fraction form
    12,528.04/18,784.76 = 4,737.46/x
  3. Step 3: Cross multiply
    12,528.04x = 18,784.76 × 4,737.46
  4. Step 4: Simplify right side
    12,528.04x = 88,992,049.11
  5. Step 5: Solve for x
    x = 88,992,049.11/12,528.04
  6. Step 6: Final answer
    x = 7,103.43

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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.