Home / 10,370.61-15,549.93-7,087.68

Finding the Fourth Proportional to 10,370.61, 15,549.93 and 7,087.68

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Solution

The fourth proportional to 10,370.61, 15,549.93 and 7,087.68 is: 10,627.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.61 : 15,549.93 = 7,087.68 : x
  2. Step 2: Convert to fraction form
    10,370.61/15,549.93 = 7,087.68/x
  3. Step 3: Cross multiply
    10,370.61x = 15,549.93 × 7,087.68
  4. Step 4: Simplify right side
    10,370.61x = 110,212,927.86
  5. Step 5: Solve for x
    x = 110,212,927.86/10,370.61
  6. Step 6: Final answer
    x = 10,627.43

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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.