Home / 16,405.60-24,608.40-5,313.10

Finding the Fourth Proportional to 16,405.60, 24,608.40 and 5,313.10

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Solution

The fourth proportional to 16,405.60, 24,608.40 and 5,313.10 is: 7,969.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,405.60 : 24,608.40 = 5,313.10 : x
  2. Step 2: Convert to fraction form
    16,405.60/24,608.40 = 5,313.10/x
  3. Step 3: Cross multiply
    16,405.60x = 24,608.40 × 5,313.10
  4. Step 4: Simplify right side
    16,405.60x = 130,746,890.04
  5. Step 5: Solve for x
    x = 130,746,890.04/16,405.60
  6. Step 6: Final answer
    x = 7,969.65

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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.