Home / 10,358.10-15,547.45-4,812.70

Finding the Fourth Proportional to 10,358.10, 15,547.45 and 4,812.70

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Solution

The fourth proportional to 10,358.10, 15,547.45 and 4,812.70 is: 7,223.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.10 : 15,547.45 = 4,812.70 : x
  2. Step 2: Convert to fraction form
    10,358.10/15,547.45 = 4,812.70/x
  3. Step 3: Cross multiply
    10,358.10x = 15,547.45 × 4,812.70
  4. Step 4: Simplify right side
    10,358.10x = 74,825,212.62
  5. Step 5: Solve for x
    x = 74,825,212.62/10,358.10
  6. Step 6: Final answer
    x = 7,223.84

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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.