Home / 14,233.86-19,643.85-8,267.40

Finding the Fourth Proportional to 14,233.86, 19,643.85 and 8,267.40

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Solution

The fourth proportional to 14,233.86, 19,643.85 and 8,267.40 is: 11,409.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,233.86 : 19,643.85 = 8,267.40 : x
  2. Step 2: Convert to fraction form
    14,233.86/19,643.85 = 8,267.40/x
  3. Step 3: Cross multiply
    14,233.86x = 19,643.85 × 8,267.40
  4. Step 4: Simplify right side
    14,233.86x = 162,403,565.49
  5. Step 5: Solve for x
    x = 162,403,565.49/14,233.86
  6. Step 6: Final answer
    x = 11,409.66

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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.