Home / 10,428.24-15,646.40-6,271.13

Finding the Fourth Proportional to 10,428.24, 15,646.40 and 6,271.13

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Solution

The fourth proportional to 10,428.24, 15,646.40 and 6,271.13 is: 9,409.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.24 : 15,646.40 = 6,271.13 : x
  2. Step 2: Convert to fraction form
    10,428.24/15,646.40 = 6,271.13/x
  3. Step 3: Cross multiply
    10,428.24x = 15,646.40 × 6,271.13
  4. Step 4: Simplify right side
    10,428.24x = 98,120,498.84
  5. Step 5: Solve for x
    x = 98,120,498.84/10,428.24
  6. Step 6: Final answer
    x = 9,409.11

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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.