Home / 11,281.53-15,569.01-6,245.71

Finding the Fourth Proportional to 11,281.53, 15,569.01 and 6,245.71

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Solution

The fourth proportional to 11,281.53, 15,569.01 and 6,245.71 is: 8,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.53 : 15,569.01 = 6,245.71 : x
  2. Step 2: Convert to fraction form
    11,281.53/15,569.01 = 6,245.71/x
  3. Step 3: Cross multiply
    11,281.53x = 15,569.01 × 6,245.71
  4. Step 4: Simplify right side
    11,281.53x = 97,239,482.52
  5. Step 5: Solve for x
    x = 97,239,482.52/11,281.53
  6. Step 6: Final answer
    x = 8,619.35

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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.