Home / 26,133.40-39,200.10-6,411.70

Finding the Fourth Proportional to 26,133.40, 39,200.10 and 6,411.70

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Solution

The fourth proportional to 26,133.40, 39,200.10 and 6,411.70 is: 9,617.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,133.40 : 39,200.10 = 6,411.70 : x
  2. Step 2: Convert to fraction form
    26,133.40/39,200.10 = 6,411.70/x
  3. Step 3: Cross multiply
    26,133.40x = 39,200.10 × 6,411.70
  4. Step 4: Simplify right side
    26,133.40x = 251,339,281.17
  5. Step 5: Solve for x
    x = 251,339,281.17/26,133.40
  6. Step 6: Final answer
    x = 9,617.55

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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.