Home / 19,240.79-26,531.40-12,513.94

Finding the Fourth Proportional to 19,240.79, 26,531.40 and 12,513.94

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Solution

The fourth proportional to 19,240.79, 26,531.40 and 12,513.94 is: 17,255.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,240.79 : 26,531.40 = 12,513.94 : x
  2. Step 2: Convert to fraction form
    19,240.79/26,531.40 = 12,513.94/x
  3. Step 3: Cross multiply
    19,240.79x = 26,531.40 × 12,513.94
  4. Step 4: Simplify right side
    19,240.79x = 332,012,407.16
  5. Step 5: Solve for x
    x = 332,012,407.16/19,240.79
  6. Step 6: Final answer
    x = 17,255.65

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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.