Home / 15,878.16-23,829.40-6,650.64

Finding the Fourth Proportional to 15,878.16, 23,829.40 and 6,650.64

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Solution

The fourth proportional to 15,878.16, 23,829.40 and 6,650.64 is: 9,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,878.16 : 23,829.40 = 6,650.64 : x
  2. Step 2: Convert to fraction form
    15,878.16/23,829.40 = 6,650.64/x
  3. Step 3: Cross multiply
    15,878.16x = 23,829.40 × 6,650.64
  4. Step 4: Simplify right side
    15,878.16x = 158,480,760.82
  5. Step 5: Solve for x
    x = 158,480,760.82/15,878.16
  6. Step 6: Final answer
    x = 9,981.05

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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.