Home / 19,255.23-26,565.71-12,549.51

Finding the Fourth Proportional to 19,255.23, 26,565.71 and 12,549.51

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Solution

The fourth proportional to 19,255.23, 26,565.71 and 12,549.51 is: 17,314.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,255.23 : 26,565.71 = 12,549.51 : x
  2. Step 2: Convert to fraction form
    19,255.23/26,565.71 = 12,549.51/x
  3. Step 3: Cross multiply
    19,255.23x = 26,565.71 × 12,549.51
  4. Step 4: Simplify right side
    19,255.23x = 333,386,580.55
  5. Step 5: Solve for x
    x = 333,386,580.55/19,255.23
  6. Step 6: Final answer
    x = 17,314.08

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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.