Home / 13,247.28-18,281.16-7,583.04

Finding the Fourth Proportional to 13,247.28, 18,281.16 and 7,583.04

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Solution

The fourth proportional to 13,247.28, 18,281.16 and 7,583.04 is: 10,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247.28 : 18,281.16 = 7,583.04 : x
  2. Step 2: Convert to fraction form
    13,247.28/18,281.16 = 7,583.04/x
  3. Step 3: Cross multiply
    13,247.28x = 18,281.16 × 7,583.04
  4. Step 4: Simplify right side
    13,247.28x = 138,626,767.53
  5. Step 5: Solve for x
    x = 138,626,767.53/13,247.28
  6. Step 6: Final answer
    x = 10,464.55

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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.