Home / 15,240.64-22,859.28-5,378.08

Finding the Fourth Proportional to 15,240.64, 22,859.28 and 5,378.08

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Solution

The fourth proportional to 15,240.64, 22,859.28 and 5,378.08 is: 8,066.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,240.64 : 22,859.28 = 5,378.08 : x
  2. Step 2: Convert to fraction form
    15,240.64/22,859.28 = 5,378.08/x
  3. Step 3: Cross multiply
    15,240.64x = 22,859.28 × 5,378.08
  4. Step 4: Simplify right side
    15,240.64x = 122,939,036.58
  5. Step 5: Solve for x
    x = 122,939,036.58/15,240.64
  6. Step 6: Final answer
    x = 8,066.53

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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.