Home / 18,899.56-26,081.40-10,516

Finding the Fourth Proportional to 18,899.56, 26,081.40 and 10,516

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Solution

The fourth proportional to 18,899.56, 26,081.40 and 10,516 is: 14,512.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,899.56 : 26,081.40 = 10,516 : x
  2. Step 2: Convert to fraction form
    18,899.56/26,081.40 = 10,516/x
  3. Step 3: Cross multiply
    18,899.56x = 26,081.40 × 10,516
  4. Step 4: Simplify right side
    18,899.56x = 274,272,002.40
  5. Step 5: Solve for x
    x = 274,272,002.40/18,899.56
  6. Step 6: Final answer
    x = 14,512.08

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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.