Home / 15,341.81-23,017.57-7,545.15

Finding the Fourth Proportional to 15,341.81, 23,017.57 and 7,545.15

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Solution

The fourth proportional to 15,341.81, 23,017.57 and 7,545.15 is: 11,320.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,341.81 : 23,017.57 = 7,545.15 : x
  2. Step 2: Convert to fraction form
    15,341.81/23,017.57 = 7,545.15/x
  3. Step 3: Cross multiply
    15,341.81x = 23,017.57 × 7,545.15
  4. Step 4: Simplify right side
    15,341.81x = 173,670,999.42
  5. Step 5: Solve for x
    x = 173,670,999.42/15,341.81
  6. Step 6: Final answer
    x = 11,320.12

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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.