Home / 15,897.45-21,926.66-11,117.64

Finding the Fourth Proportional to 15,897.45, 21,926.66 and 11,117.64

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Solution

The fourth proportional to 15,897.45, 21,926.66 and 11,117.64 is: 15,334.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,897.45 : 21,926.66 = 11,117.64 : x
  2. Step 2: Convert to fraction form
    15,897.45/21,926.66 = 11,117.64/x
  3. Step 3: Cross multiply
    15,897.45x = 21,926.66 × 11,117.64
  4. Step 4: Simplify right side
    15,897.45x = 243,772,712.28
  5. Step 5: Solve for x
    x = 243,772,712.28/15,897.45
  6. Step 6: Final answer
    x = 15,334.08

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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.