Home / 12,913.23-17,830.77-10,523.55

Finding the Fourth Proportional to 12,913.23, 17,830.77 and 10,523.55

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Solution

The fourth proportional to 12,913.23, 17,830.77 and 10,523.55 is: 14,531.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,913.23 : 17,830.77 = 10,523.55 : x
  2. Step 2: Convert to fraction form
    12,913.23/17,830.77 = 10,523.55/x
  3. Step 3: Cross multiply
    12,913.23x = 17,830.77 × 10,523.55
  4. Step 4: Simplify right side
    12,913.23x = 187,643,027.04
  5. Step 5: Solve for x
    x = 187,643,027.04/12,913.23
  6. Step 6: Final answer
    x = 14,531.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.