Home / 10,818.04-16,230.30-5,274.40

Finding the Fourth Proportional to 10,818.04, 16,230.30 and 5,274.40

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Solution

The fourth proportional to 10,818.04, 16,230.30 and 5,274.40 is: 7,913.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818.04 : 16,230.30 = 5,274.40 : x
  2. Step 2: Convert to fraction form
    10,818.04/16,230.30 = 5,274.40/x
  3. Step 3: Cross multiply
    10,818.04x = 16,230.30 × 5,274.40
  4. Step 4: Simplify right side
    10,818.04x = 85,605,094.32
  5. Step 5: Solve for x
    x = 85,605,094.32/10,818.04
  6. Step 6: Final answer
    x = 7,913.18

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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.