Home / 10,427.49-15,641.10-4,187.39

Finding the Fourth Proportional to 10,427.49, 15,641.10 and 4,187.39

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Solution

The fourth proportional to 10,427.49, 15,641.10 and 4,187.39 is: 6,281.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.49 : 15,641.10 = 4,187.39 : x
  2. Step 2: Convert to fraction form
    10,427.49/15,641.10 = 4,187.39/x
  3. Step 3: Cross multiply
    10,427.49x = 15,641.10 × 4,187.39
  4. Step 4: Simplify right side
    10,427.49x = 65,495,317.99
  5. Step 5: Solve for x
    x = 65,495,317.99/10,427.49
  6. Step 6: Final answer
    x = 6,281.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.