Home / 17,915.42-26,862.19-7,382.18

Finding the Fourth Proportional to 17,915.42, 26,862.19 and 7,382.18

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Solution

The fourth proportional to 17,915.42, 26,862.19 and 7,382.18 is: 11,068.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,915.42 : 26,862.19 = 7,382.18 : x
  2. Step 2: Convert to fraction form
    17,915.42/26,862.19 = 7,382.18/x
  3. Step 3: Cross multiply
    17,915.42x = 26,862.19 × 7,382.18
  4. Step 4: Simplify right side
    17,915.42x = 198,301,521.77
  5. Step 5: Solve for x
    x = 198,301,521.77/17,915.42
  6. Step 6: Final answer
    x = 11,068.76

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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.