Home / 18,834.08-28,248.72-4,984.16

Finding the Fourth Proportional to 18,834.08, 28,248.72 and 4,984.16

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Solution

The fourth proportional to 18,834.08, 28,248.72 and 4,984.16 is: 7,475.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.08 : 28,248.72 = 4,984.16 : x
  2. Step 2: Convert to fraction form
    18,834.08/28,248.72 = 4,984.16/x
  3. Step 3: Cross multiply
    18,834.08x = 28,248.72 × 4,984.16
  4. Step 4: Simplify right side
    18,834.08x = 140,796,140.28
  5. Step 5: Solve for x
    x = 140,796,140.28/18,834.08
  6. Step 6: Final answer
    x = 7,475.60

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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.