Home / 15,381.92-23,071.91-4,290.18

Finding the Fourth Proportional to 15,381.92, 23,071.91 and 4,290.18

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Solution

The fourth proportional to 15,381.92, 23,071.91 and 4,290.18 is: 6,435.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,381.92 : 23,071.91 = 4,290.18 : x
  2. Step 2: Convert to fraction form
    15,381.92/23,071.91 = 4,290.18/x
  3. Step 3: Cross multiply
    15,381.92x = 23,071.91 × 4,290.18
  4. Step 4: Simplify right side
    15,381.92x = 98,982,625.39
  5. Step 5: Solve for x
    x = 98,982,625.39/15,381.92
  6. Step 6: Final answer
    x = 6,435.00

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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.