Home / 10,261.40-14,159.95-6,718.46

Finding the Fourth Proportional to 10,261.40, 14,159.95 and 6,718.46

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Solution

The fourth proportional to 10,261.40, 14,159.95 and 6,718.46 is: 9,270.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.40 : 14,159.95 = 6,718.46 : x
  2. Step 2: Convert to fraction form
    10,261.40/14,159.95 = 6,718.46/x
  3. Step 3: Cross multiply
    10,261.40x = 14,159.95 × 6,718.46
  4. Step 4: Simplify right side
    10,261.40x = 95,132,970.08
  5. Step 5: Solve for x
    x = 95,132,970.08/10,261.40
  6. Step 6: Final answer
    x = 9,270.96

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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.