Home / 10,818.90-14,931.54-6,344.46

Finding the Fourth Proportional to 10,818.90, 14,931.54 and 6,344.46

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Solution

The fourth proportional to 10,818.90, 14,931.54 and 6,344.46 is: 8,756.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818.90 : 14,931.54 = 6,344.46 : x
  2. Step 2: Convert to fraction form
    10,818.90/14,931.54 = 6,344.46/x
  3. Step 3: Cross multiply
    10,818.90x = 14,931.54 × 6,344.46
  4. Step 4: Simplify right side
    10,818.90x = 94,732,558.27
  5. Step 5: Solve for x
    x = 94,732,558.27/10,818.90
  6. Step 6: Final answer
    x = 8,756.21

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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.