Home / 9,685.29-13,360.75-6,330.07

Finding the Fourth Proportional to 9,685.29, 13,360.75 and 6,330.07

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Solution

The fourth proportional to 9,685.29, 13,360.75 and 6,330.07 is: 8,732.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,685.29 : 13,360.75 = 6,330.07 : x
  2. Step 2: Convert to fraction form
    9,685.29/13,360.75 = 6,330.07/x
  3. Step 3: Cross multiply
    9,685.29x = 13,360.75 × 6,330.07
  4. Step 4: Simplify right side
    9,685.29x = 84,574,482.75
  5. Step 5: Solve for x
    x = 84,574,482.75/9,685.29
  6. Step 6: Final answer
    x = 8,732.26

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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.