Home / 19,016.27-26,248.10-12,301.72

Finding the Fourth Proportional to 19,016.27, 26,248.10 and 12,301.72

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Solution

The fourth proportional to 19,016.27, 26,248.10 and 12,301.72 is: 16,980.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,016.27 : 26,248.10 = 12,301.72 : x
  2. Step 2: Convert to fraction form
    19,016.27/26,248.10 = 12,301.72/x
  3. Step 3: Cross multiply
    19,016.27x = 26,248.10 × 12,301.72
  4. Step 4: Simplify right side
    19,016.27x = 322,896,866.45
  5. Step 5: Solve for x
    x = 322,896,866.45/19,016.27
  6. Step 6: Final answer
    x = 16,980.03

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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.