Home / 10,374.34-15,561.44-6,215.53

Finding the Fourth Proportional to 10,374.34, 15,561.44 and 6,215.53

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Solution

The fourth proportional to 10,374.34, 15,561.44 and 6,215.53 is: 9,323.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,374.34 : 15,561.44 = 6,215.53 : x
  2. Step 2: Convert to fraction form
    10,374.34/15,561.44 = 6,215.53/x
  3. Step 3: Cross multiply
    10,374.34x = 15,561.44 × 6,215.53
  4. Step 4: Simplify right side
    10,374.34x = 96,722,597.16
  5. Step 5: Solve for x
    x = 96,722,597.16/10,374.34
  6. Step 6: Final answer
    x = 9,323.25

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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.