Home / 11,465.18-15,816.10-7,488.62

Finding the Fourth Proportional to 11,465.18, 15,816.10 and 7,488.62

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Solution

The fourth proportional to 11,465.18, 15,816.10 and 7,488.62 is: 10,330.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,465.18 : 15,816.10 = 7,488.62 : x
  2. Step 2: Convert to fraction form
    11,465.18/15,816.10 = 7,488.62/x
  3. Step 3: Cross multiply
    11,465.18x = 15,816.10 × 7,488.62
  4. Step 4: Simplify right side
    11,465.18x = 118,440,762.78
  5. Step 5: Solve for x
    x = 118,440,762.78/11,465.18
  6. Step 6: Final answer
    x = 10,330.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.