Home / 10,471.86-15,710.90-3,808.23

Finding the Fourth Proportional to 10,471.86, 15,710.90 and 3,808.23

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Solution

The fourth proportional to 10,471.86, 15,710.90 and 3,808.23 is: 5,713.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,471.86 : 15,710.90 = 3,808.23 : x
  2. Step 2: Convert to fraction form
    10,471.86/15,710.90 = 3,808.23/x
  3. Step 3: Cross multiply
    10,471.86x = 15,710.90 × 3,808.23
  4. Step 4: Simplify right side
    10,471.86x = 59,830,701.67
  5. Step 5: Solve for x
    x = 59,830,701.67/10,471.86
  6. Step 6: Final answer
    x = 5,713.47

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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.