Home / 13,598.68-20,364.18-8,653.72

Finding the Fourth Proportional to 13,598.68, 20,364.18 and 8,653.72

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Solution

The fourth proportional to 13,598.68, 20,364.18 and 8,653.72 is: 12,959.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,598.68 : 20,364.18 = 8,653.72 : x
  2. Step 2: Convert to fraction form
    13,598.68/20,364.18 = 8,653.72/x
  3. Step 3: Cross multiply
    13,598.68x = 20,364.18 × 8,653.72
  4. Step 4: Simplify right side
    13,598.68x = 176,225,911.75
  5. Step 5: Solve for x
    x = 176,225,911.75/13,598.68
  6. Step 6: Final answer
    x = 12,959.05

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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.