Home / 19,487.49-26,886.35-11,925.93

Finding the Fourth Proportional to 19,487.49, 26,886.35 and 11,925.93

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Solution

The fourth proportional to 19,487.49, 26,886.35 and 11,925.93 is: 16,453.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487.49 : 26,886.35 = 11,925.93 : x
  2. Step 2: Convert to fraction form
    19,487.49/26,886.35 = 11,925.93/x
  3. Step 3: Cross multiply
    19,487.49x = 26,886.35 × 11,925.93
  4. Step 4: Simplify right side
    19,487.49x = 320,644,728.06
  5. Step 5: Solve for x
    x = 320,644,728.06/19,487.49
  6. Step 6: Final answer
    x = 16,453.88

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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.