Home / 15,490.18-23,238.07-5,643.28

Finding the Fourth Proportional to 15,490.18, 23,238.07 and 5,643.28

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Solution

The fourth proportional to 15,490.18, 23,238.07 and 5,643.28 is: 8,465.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,490.18 : 23,238.07 = 5,643.28 : x
  2. Step 2: Convert to fraction form
    15,490.18/23,238.07 = 5,643.28/x
  3. Step 3: Cross multiply
    15,490.18x = 23,238.07 × 5,643.28
  4. Step 4: Simplify right side
    15,490.18x = 131,138,935.67
  5. Step 5: Solve for x
    x = 131,138,935.67/15,490.18
  6. Step 6: Final answer
    x = 8,465.94

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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.