Home / 13,703.38-18,909.35-10,877.59

Finding the Fourth Proportional to 13,703.38, 18,909.35 and 10,877.59

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Solution

The fourth proportional to 13,703.38, 18,909.35 and 10,877.59 is: 15,010.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,703.38 : 18,909.35 = 10,877.59 : x
  2. Step 2: Convert to fraction form
    13,703.38/18,909.35 = 10,877.59/x
  3. Step 3: Cross multiply
    13,703.38x = 18,909.35 × 10,877.59
  4. Step 4: Simplify right side
    13,703.38x = 205,688,166.51
  5. Step 5: Solve for x
    x = 205,688,166.51/13,703.38
  6. Step 6: Final answer
    x = 15,010.03

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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.