Home / 12,915.19-19,372.86-4,595.53

Finding the Fourth Proportional to 12,915.19, 19,372.86 and 4,595.53

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Solution

The fourth proportional to 12,915.19, 19,372.86 and 4,595.53 is: 6,893.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,915.19 : 19,372.86 = 4,595.53 : x
  2. Step 2: Convert to fraction form
    12,915.19/19,372.86 = 4,595.53/x
  3. Step 3: Cross multiply
    12,915.19x = 19,372.86 × 4,595.53
  4. Step 4: Simplify right side
    12,915.19x = 89,028,559.32
  5. Step 5: Solve for x
    x = 89,028,559.32/12,915.19
  6. Step 6: Final answer
    x = 6,893.32

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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.