Home / 15,407.98-23,115.43-4,878.63

Finding the Fourth Proportional to 15,407.98, 23,115.43 and 4,878.63

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Solution

The fourth proportional to 15,407.98, 23,115.43 and 4,878.63 is: 7,319.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,407.98 : 23,115.43 = 4,878.63 : x
  2. Step 2: Convert to fraction form
    15,407.98/23,115.43 = 4,878.63/x
  3. Step 3: Cross multiply
    15,407.98x = 23,115.43 × 4,878.63
  4. Step 4: Simplify right side
    15,407.98x = 112,771,618.06
  5. Step 5: Solve for x
    x = 112,771,618.06/15,407.98
  6. Step 6: Final answer
    x = 7,319.04

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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.