Home / 10,065.67-15,071.47-6,545.21

Finding the Fourth Proportional to 10,065.67, 15,071.47 and 6,545.21

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Solution

The fourth proportional to 10,065.67, 15,071.47 and 6,545.21 is: 9,800.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,065.67 : 15,071.47 = 6,545.21 : x
  2. Step 2: Convert to fraction form
    10,065.67/15,071.47 = 6,545.21/x
  3. Step 3: Cross multiply
    10,065.67x = 15,071.47 × 6,545.21
  4. Step 4: Simplify right side
    10,065.67x = 98,645,844.44
  5. Step 5: Solve for x
    x = 98,645,844.44/10,065.67
  6. Step 6: Final answer
    x = 9,800.23

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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.