Home / 19,348.16-26,703.43-10,853.71

Finding the Fourth Proportional to 19,348.16, 26,703.43 and 10,853.71

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Solution

The fourth proportional to 19,348.16, 26,703.43 and 10,853.71 is: 14,979.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,348.16 : 26,703.43 = 10,853.71 : x
  2. Step 2: Convert to fraction form
    19,348.16/26,703.43 = 10,853.71/x
  3. Step 3: Cross multiply
    19,348.16x = 26,703.43 × 10,853.71
  4. Step 4: Simplify right side
    19,348.16x = 289,831,191.33
  5. Step 5: Solve for x
    x = 289,831,191.33/19,348.16
  6. Step 6: Final answer
    x = 14,979.78

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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.