Home / 10,355.39-14,290.05-6,328.95

Finding the Fourth Proportional to 10,355.39, 14,290.05 and 6,328.95

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Solution

The fourth proportional to 10,355.39, 14,290.05 and 6,328.95 is: 8,733.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.39 : 14,290.05 = 6,328.95 : x
  2. Step 2: Convert to fraction form
    10,355.39/14,290.05 = 6,328.95/x
  3. Step 3: Cross multiply
    10,355.39x = 14,290.05 × 6,328.95
  4. Step 4: Simplify right side
    10,355.39x = 90,441,009.07
  5. Step 5: Solve for x
    x = 90,441,009.07/10,355.39
  6. Step 6: Final answer
    x = 8,733.72

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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.