Home / 16,820.19-23,214.59-9,750.71

Finding the Fourth Proportional to 16,820.19, 23,214.59 and 9,750.71

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Solution

The fourth proportional to 16,820.19, 23,214.59 and 9,750.71 is: 13,457.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.19 : 23,214.59 = 9,750.71 : x
  2. Step 2: Convert to fraction form
    16,820.19/23,214.59 = 9,750.71/x
  3. Step 3: Cross multiply
    16,820.19x = 23,214.59 × 9,750.71
  4. Step 4: Simplify right side
    16,820.19x = 226,358,734.86
  5. Step 5: Solve for x
    x = 226,358,734.86/16,820.19
  6. Step 6: Final answer
    x = 13,457.56

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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.