Home / 10,634.68-14,673.72-6,440.50

Finding the Fourth Proportional to 10,634.68, 14,673.72 and 6,440.50

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Solution

The fourth proportional to 10,634.68, 14,673.72 and 6,440.50 is: 8,886.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,634.68 : 14,673.72 = 6,440.50 : x
  2. Step 2: Convert to fraction form
    10,634.68/14,673.72 = 6,440.50/x
  3. Step 3: Cross multiply
    10,634.68x = 14,673.72 × 6,440.50
  4. Step 4: Simplify right side
    10,634.68x = 94,506,093.66
  5. Step 5: Solve for x
    x = 94,506,093.66/10,634.68
  6. Step 6: Final answer
    x = 8,886.59

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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.