Home / 9,718.40-13,402.59-6,360.14

Finding the Fourth Proportional to 9,718.40, 13,402.59 and 6,360.14

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Solution

The fourth proportional to 9,718.40, 13,402.59 and 6,360.14 is: 8,771.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,718.40 : 13,402.59 = 6,360.14 : x
  2. Step 2: Convert to fraction form
    9,718.40/13,402.59 = 6,360.14/x
  3. Step 3: Cross multiply
    9,718.40x = 13,402.59 × 6,360.14
  4. Step 4: Simplify right side
    9,718.40x = 85,242,348.76
  5. Step 5: Solve for x
    x = 85,242,348.76/9,718.40
  6. Step 6: Final answer
    x = 8,771.23

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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.