Home / 19,331.61-26,667.95-12,246.81

Finding the Fourth Proportional to 19,331.61, 26,667.95 and 12,246.81

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Solution

The fourth proportional to 19,331.61, 26,667.95 and 12,246.81 is: 16,894.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.61 : 26,667.95 = 12,246.81 : x
  2. Step 2: Convert to fraction form
    19,331.61/26,667.95 = 12,246.81/x
  3. Step 3: Cross multiply
    19,331.61x = 26,667.95 × 12,246.81
  4. Step 4: Simplify right side
    19,331.61x = 326,597,255.51
  5. Step 5: Solve for x
    x = 326,597,255.51/19,331.61
  6. Step 6: Final answer
    x = 16,894.47

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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.