Home / 9,742.32-13,381.61-9,555.53

Finding the Fourth Proportional to 9,742.32, 13,381.61 and 9,555.53

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Solution

The fourth proportional to 9,742.32, 13,381.61 and 9,555.53 is: 13,125.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,742.32 : 13,381.61 = 9,555.53 : x
  2. Step 2: Convert to fraction form
    9,742.32/13,381.61 = 9,555.53/x
  3. Step 3: Cross multiply
    9,742.32x = 13,381.61 × 9,555.53
  4. Step 4: Simplify right side
    9,742.32x = 127,868,261.12
  5. Step 5: Solve for x
    x = 127,868,261.12/9,742.32
  6. Step 6: Final answer
    x = 13,125.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.