Home / 16,886.20-23,302.93-9,434.20

Finding the Fourth Proportional to 16,886.20, 23,302.93 and 9,434.20

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Solution

The fourth proportional to 16,886.20, 23,302.93 and 9,434.20 is: 13,019.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,886.20 : 23,302.93 = 9,434.20 : x
  2. Step 2: Convert to fraction form
    16,886.20/23,302.93 = 9,434.20/x
  3. Step 3: Cross multiply
    16,886.20x = 23,302.93 × 9,434.20
  4. Step 4: Simplify right side
    16,886.20x = 219,844,502.21
  5. Step 5: Solve for x
    x = 219,844,502.21/16,886.20
  6. Step 6: Final answer
    x = 13,019.18

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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.