Home / 18,723.68-25,838.32-10,340

Finding the Fourth Proportional to 18,723.68, 25,838.32 and 10,340

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Solution

The fourth proportional to 18,723.68, 25,838.32 and 10,340 is: 14,269.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723.68 : 25,838.32 = 10,340 : x
  2. Step 2: Convert to fraction form
    18,723.68/25,838.32 = 10,340/x
  3. Step 3: Cross multiply
    18,723.68x = 25,838.32 × 10,340
  4. Step 4: Simplify right side
    18,723.68x = 267,168,228.80
  5. Step 5: Solve for x
    x = 267,168,228.80/18,723.68
  6. Step 6: Final answer
    x = 14,269.00

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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.