Home / 9,015.81-12,441.09-5,036.16

Finding the Fourth Proportional to 9,015.81, 12,441.09 and 5,036.16

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Solution

The fourth proportional to 9,015.81, 12,441.09 and 5,036.16 is: 6,949.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015.81 : 12,441.09 = 5,036.16 : x
  2. Step 2: Convert to fraction form
    9,015.81/12,441.09 = 5,036.16/x
  3. Step 3: Cross multiply
    9,015.81x = 12,441.09 × 5,036.16
  4. Step 4: Simplify right side
    9,015.81x = 62,655,319.81
  5. Step 5: Solve for x
    x = 62,655,319.81/9,015.81
  6. Step 6: Final answer
    x = 6,949.49

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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.