Home / 10,342.48-14,278.44-7,915.27

Finding the Fourth Proportional to 10,342.48, 14,278.44 and 7,915.27

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Solution

The fourth proportional to 10,342.48, 14,278.44 and 7,915.27 is: 10,927.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.48 : 14,278.44 = 7,915.27 : x
  2. Step 2: Convert to fraction form
    10,342.48/14,278.44 = 7,915.27/x
  3. Step 3: Cross multiply
    10,342.48x = 14,278.44 × 7,915.27
  4. Step 4: Simplify right side
    10,342.48x = 113,017,707.78
  5. Step 5: Solve for x
    x = 113,017,707.78/10,342.48
  6. Step 6: Final answer
    x = 10,927.52

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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.