Home / 15,560.89-23,317.69-11,403.66

Finding the Fourth Proportional to 15,560.89, 23,317.69 and 11,403.66

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Solution

The fourth proportional to 15,560.89, 23,317.69 and 11,403.66 is: 17,088.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,560.89 : 23,317.69 = 11,403.66 : x
  2. Step 2: Convert to fraction form
    15,560.89/23,317.69 = 11,403.66/x
  3. Step 3: Cross multiply
    15,560.89x = 23,317.69 × 11,403.66
  4. Step 4: Simplify right side
    15,560.89x = 265,907,008.75
  5. Step 5: Solve for x
    x = 265,907,008.75/15,560.89
  6. Step 6: Final answer
    x = 17,088.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.