Home / 13,605.93-18,733.23-12,360.24

Finding the Fourth Proportional to 13,605.93, 18,733.23 and 12,360.24

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Solution

The fourth proportional to 13,605.93, 18,733.23 and 12,360.24 is: 17,018.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,605.93 : 18,733.23 = 12,360.24 : x
  2. Step 2: Convert to fraction form
    13,605.93/18,733.23 = 12,360.24/x
  3. Step 3: Cross multiply
    13,605.93x = 18,733.23 × 12,360.24
  4. Step 4: Simplify right side
    13,605.93x = 231,547,218.78
  5. Step 5: Solve for x
    x = 231,547,218.78/13,605.93
  6. Step 6: Final answer
    x = 17,018.11

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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.