Home / 11,386.77-15,724.60-10,765.53

Finding the Fourth Proportional to 11,386.77, 15,724.60 and 10,765.53

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Solution

The fourth proportional to 11,386.77, 15,724.60 and 10,765.53 is: 14,866.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386.77 : 15,724.60 = 10,765.53 : x
  2. Step 2: Convert to fraction form
    11,386.77/15,724.60 = 10,765.53/x
  3. Step 3: Cross multiply
    11,386.77x = 15,724.60 × 10,765.53
  4. Step 4: Simplify right side
    11,386.77x = 169,283,574.42
  5. Step 5: Solve for x
    x = 169,283,574.42/11,386.77
  6. Step 6: Final answer
    x = 14,866.69

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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.