Home / 10,377.45-15,570.07-6,220.42

Finding the Fourth Proportional to 10,377.45, 15,570.07 and 6,220.42

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Solution

The fourth proportional to 10,377.45, 15,570.07 and 6,220.42 is: 9,332.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377.45 : 15,570.07 = 6,220.42 : x
  2. Step 2: Convert to fraction form
    10,377.45/15,570.07 = 6,220.42/x
  3. Step 3: Cross multiply
    10,377.45x = 15,570.07 × 6,220.42
  4. Step 4: Simplify right side
    10,377.45x = 96,852,320.35
  5. Step 5: Solve for x
    x = 96,852,320.35/10,377.45
  6. Step 6: Final answer
    x = 9,332.96

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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.