Home / 10,812.59-14,921.57-6,339.57

Finding the Fourth Proportional to 10,812.59, 14,921.57 and 6,339.57

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Solution

The fourth proportional to 10,812.59, 14,921.57 and 6,339.57 is: 8,748.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812.59 : 14,921.57 = 6,339.57 : x
  2. Step 2: Convert to fraction form
    10,812.59/14,921.57 = 6,339.57/x
  3. Step 3: Cross multiply
    10,812.59x = 14,921.57 × 6,339.57
  4. Step 4: Simplify right side
    10,812.59x = 94,596,261.76
  5. Step 5: Solve for x
    x = 94,596,261.76/10,812.59
  6. Step 6: Final answer
    x = 8,748.72

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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.