Home / 11,877.34-16,390.70-6,572.10

Finding the Fourth Proportional to 11,877.34, 16,390.70 and 6,572.10

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Solution

The fourth proportional to 11,877.34, 16,390.70 and 6,572.10 is: 9,069.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,877.34 : 16,390.70 = 6,572.10 : x
  2. Step 2: Convert to fraction form
    11,877.34/16,390.70 = 6,572.10/x
  3. Step 3: Cross multiply
    11,877.34x = 16,390.70 × 6,572.10
  4. Step 4: Simplify right side
    11,877.34x = 107,721,319.47
  5. Step 5: Solve for x
    x = 107,721,319.47/11,877.34
  6. Step 6: Final answer
    x = 9,069.48

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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.