Home / 9,642.51-13,302.23-6,662.52

Finding the Fourth Proportional to 9,642.51, 13,302.23 and 6,662.52

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Solution

The fourth proportional to 9,642.51, 13,302.23 and 6,662.52 is: 9,191.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,642.51 : 13,302.23 = 6,662.52 : x
  2. Step 2: Convert to fraction form
    9,642.51/13,302.23 = 6,662.52/x
  3. Step 3: Cross multiply
    9,642.51x = 13,302.23 × 6,662.52
  4. Step 4: Simplify right side
    9,642.51x = 88,626,340.11
  5. Step 5: Solve for x
    x = 88,626,340.11/9,642.51
  6. Step 6: Final answer
    x = 9,191.21

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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.