Home / 10,366.20-15,547.65-3,440.70

Finding the Fourth Proportional to 10,366.20, 15,547.65 and 3,440.70

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Solution

The fourth proportional to 10,366.20, 15,547.65 and 3,440.70 is: 5,160.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.20 : 15,547.65 = 3,440.70 : x
  2. Step 2: Convert to fraction form
    10,366.20/15,547.65 = 3,440.70/x
  3. Step 3: Cross multiply
    10,366.20x = 15,547.65 × 3,440.70
  4. Step 4: Simplify right side
    10,366.20x = 53,494,799.36
  5. Step 5: Solve for x
    x = 53,494,799.36/10,366.20
  6. Step 6: Final answer
    x = 5,160.50

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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.