Home / 15,824.64-23,728.95-5,290.91

Finding the Fourth Proportional to 15,824.64, 23,728.95 and 5,290.91

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Solution

The fourth proportional to 15,824.64, 23,728.95 and 5,290.91 is: 7,933.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,824.64 : 23,728.95 = 5,290.91 : x
  2. Step 2: Convert to fraction form
    15,824.64/23,728.95 = 5,290.91/x
  3. Step 3: Cross multiply
    15,824.64x = 23,728.95 × 5,290.91
  4. Step 4: Simplify right side
    15,824.64x = 125,547,738.84
  5. Step 5: Solve for x
    x = 125,547,738.84/15,824.64
  6. Step 6: Final answer
    x = 7,933.69

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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.