Home / 19,454.56-26,831.44-12,368.80

Finding the Fourth Proportional to 19,454.56, 26,831.44 and 12,368.80

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Solution

The fourth proportional to 19,454.56, 26,831.44 and 12,368.80 is: 17,058.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,454.56 : 26,831.44 = 12,368.80 : x
  2. Step 2: Convert to fraction form
    19,454.56/26,831.44 = 12,368.80/x
  3. Step 3: Cross multiply
    19,454.56x = 26,831.44 × 12,368.80
  4. Step 4: Simplify right side
    19,454.56x = 331,872,715.07
  5. Step 5: Solve for x
    x = 331,872,715.07/19,454.56
  6. Step 6: Final answer
    x = 17,058.87

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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.