Home / 10,100.68-13,927.02-6,915.52

Finding the Fourth Proportional to 10,100.68, 13,927.02 and 6,915.52

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Solution

The fourth proportional to 10,100.68, 13,927.02 and 6,915.52 is: 9,535.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.68 : 13,927.02 = 6,915.52 : x
  2. Step 2: Convert to fraction form
    10,100.68/13,927.02 = 6,915.52/x
  3. Step 3: Cross multiply
    10,100.68x = 13,927.02 × 6,915.52
  4. Step 4: Simplify right side
    10,100.68x = 96,312,585.35
  5. Step 5: Solve for x
    x = 96,312,585.35/10,100.68
  6. Step 6: Final answer
    x = 9,535.26

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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.