Home / 10,376.97-15,570.01-5,445.45

Finding the Fourth Proportional to 10,376.97, 15,570.01 and 5,445.45

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Solution

The fourth proportional to 10,376.97, 15,570.01 and 5,445.45 is: 8,170.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.97 : 15,570.01 = 5,445.45 : x
  2. Step 2: Convert to fraction form
    10,376.97/15,570.01 = 5,445.45/x
  3. Step 3: Cross multiply
    10,376.97x = 15,570.01 × 5,445.45
  4. Step 4: Simplify right side
    10,376.97x = 84,785,710.95
  5. Step 5: Solve for x
    x = 84,785,710.95/10,376.97
  6. Step 6: Final answer
    x = 8,170.57

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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.