Home / 10,549.29-15,823.95-4,312.25

Finding the Fourth Proportional to 10,549.29, 15,823.95 and 4,312.25

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Solution

The fourth proportional to 10,549.29, 15,823.95 and 4,312.25 is: 6,468.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,549.29 : 15,823.95 = 4,312.25 : x
  2. Step 2: Convert to fraction form
    10,549.29/15,823.95 = 4,312.25/x
  3. Step 3: Cross multiply
    10,549.29x = 15,823.95 × 4,312.25
  4. Step 4: Simplify right side
    10,549.29x = 68,236,749.27
  5. Step 5: Solve for x
    x = 68,236,749.27/10,549.29
  6. Step 6: Final answer
    x = 6,468.37

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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.