Home / 19,915.86-27,483.65-10,963.18

Finding the Fourth Proportional to 19,915.86, 27,483.65 and 10,963.18

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Solution

The fourth proportional to 19,915.86, 27,483.65 and 10,963.18 is: 15,129.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,915.86 : 27,483.65 = 10,963.18 : x
  2. Step 2: Convert to fraction form
    19,915.86/27,483.65 = 10,963.18/x
  3. Step 3: Cross multiply
    19,915.86x = 27,483.65 × 10,963.18
  4. Step 4: Simplify right side
    19,915.86x = 301,308,284.33
  5. Step 5: Solve for x
    x = 301,308,284.33/19,915.86
  6. Step 6: Final answer
    x = 15,129.06

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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.