Home / 19,020.15-26,256.97-12,657.35

Finding the Fourth Proportional to 19,020.15, 26,256.97 and 12,657.35

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Solution

The fourth proportional to 19,020.15, 26,256.97 and 12,657.35 is: 17,473.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020.15 : 26,256.97 = 12,657.35 : x
  2. Step 2: Convert to fraction form
    19,020.15/26,256.97 = 12,657.35/x
  3. Step 3: Cross multiply
    19,020.15x = 26,256.97 × 12,657.35
  4. Step 4: Simplify right side
    19,020.15x = 332,343,659.23
  5. Step 5: Solve for x
    x = 332,343,659.23/19,020.15
  6. Step 6: Final answer
    x = 17,473.24

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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.