Home / 11,386.53-15,711.84-6,350.15

Finding the Fourth Proportional to 11,386.53, 15,711.84 and 6,350.15

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Solution

The fourth proportional to 11,386.53, 15,711.84 and 6,350.15 is: 8,762.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386.53 : 15,711.84 = 6,350.15 : x
  2. Step 2: Convert to fraction form
    11,386.53/15,711.84 = 6,350.15/x
  3. Step 3: Cross multiply
    11,386.53x = 15,711.84 × 6,350.15
  4. Step 4: Simplify right side
    11,386.53x = 99,772,462.22
  5. Step 5: Solve for x
    x = 99,772,462.22/11,386.53
  6. Step 6: Final answer
    x = 8,762.32

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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.