Home / 15,436.40-23,165.40-6,677.60

Finding the Fourth Proportional to 15,436.40, 23,165.40 and 6,677.60

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Solution

The fourth proportional to 15,436.40, 23,165.40 and 6,677.60 is: 10,021.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436.40 : 23,165.40 = 6,677.60 : x
  2. Step 2: Convert to fraction form
    15,436.40/23,165.40 = 6,677.60/x
  3. Step 3: Cross multiply
    15,436.40x = 23,165.40 × 6,677.60
  4. Step 4: Simplify right side
    15,436.40x = 154,689,275.04
  5. Step 5: Solve for x
    x = 154,689,275.04/15,436.40
  6. Step 6: Final answer
    x = 10,021.07

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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.