Home / 13,308.24-18,366.12-7,341.16

Finding the Fourth Proportional to 13,308.24, 18,366.12 and 7,341.16

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Solution

The fourth proportional to 13,308.24, 18,366.12 and 7,341.16 is: 10,131.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308.24 : 18,366.12 = 7,341.16 : x
  2. Step 2: Convert to fraction form
    13,308.24/18,366.12 = 7,341.16/x
  3. Step 3: Cross multiply
    13,308.24x = 18,366.12 × 7,341.16
  4. Step 4: Simplify right side
    13,308.24x = 134,828,625.50
  5. Step 5: Solve for x
    x = 134,828,625.50/13,308.24
  6. Step 6: Final answer
    x = 10,131.21

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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.