Home / 13,330.60-20,012.10-10,017.70

Finding the Fourth Proportional to 13,330.60, 20,012.10 and 10,017.70

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Solution

The fourth proportional to 13,330.60, 20,012.10 and 10,017.70 is: 15,038.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.60 : 20,012.10 = 10,017.70 : x
  2. Step 2: Convert to fraction form
    13,330.60/20,012.10 = 10,017.70/x
  3. Step 3: Cross multiply
    13,330.60x = 20,012.10 × 10,017.70
  4. Step 4: Simplify right side
    13,330.60x = 200,475,214.17
  5. Step 5: Solve for x
    x = 200,475,214.17/13,330.60
  6. Step 6: Final answer
    x = 15,038.72

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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.