Home / 13,916.60-20,875.35-4,557.15

Finding the Fourth Proportional to 13,916.60, 20,875.35 and 4,557.15

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Solution

The fourth proportional to 13,916.60, 20,875.35 and 4,557.15 is: 6,835.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.60 : 20,875.35 = 4,557.15 : x
  2. Step 2: Convert to fraction form
    13,916.60/20,875.35 = 4,557.15/x
  3. Step 3: Cross multiply
    13,916.60x = 20,875.35 × 4,557.15
  4. Step 4: Simplify right side
    13,916.60x = 95,132,101.25
  5. Step 5: Solve for x
    x = 95,132,101.25/13,916.60
  6. Step 6: Final answer
    x = 6,835.87

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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.