Home / 15,490.32-23,235.08-5,629.79

Finding the Fourth Proportional to 15,490.32, 23,235.08 and 5,629.79

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Solution

The fourth proportional to 15,490.32, 23,235.08 and 5,629.79 is: 8,444.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,490.32 : 23,235.08 = 5,629.79 : x
  2. Step 2: Convert to fraction form
    15,490.32/23,235.08 = 5,629.79/x
  3. Step 3: Cross multiply
    15,490.32x = 23,235.08 × 5,629.79
  4. Step 4: Simplify right side
    15,490.32x = 130,808,476.71
  5. Step 5: Solve for x
    x = 130,808,476.71/15,490.32
  6. Step 6: Final answer
    x = 8,444.53

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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.