Home / 13,293.90-19,915.32-7,432.74

Finding the Fourth Proportional to 13,293.90, 19,915.32 and 7,432.74

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Solution

The fourth proportional to 13,293.90, 19,915.32 and 7,432.74 is: 11,134.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.90 : 19,915.32 = 7,432.74 : x
  2. Step 2: Convert to fraction form
    13,293.90/19,915.32 = 7,432.74/x
  3. Step 3: Cross multiply
    13,293.90x = 19,915.32 × 7,432.74
  4. Step 4: Simplify right side
    13,293.90x = 148,025,395.58
  5. Step 5: Solve for x
    x = 148,025,395.58/13,293.90
  6. Step 6: Final answer
    x = 11,134.84

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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.