Home / 12,566.86-17,341.95-6,977.50

Finding the Fourth Proportional to 12,566.86, 17,341.95 and 6,977.50

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Solution

The fourth proportional to 12,566.86, 17,341.95 and 6,977.50 is: 9,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,566.86 : 17,341.95 = 6,977.50 : x
  2. Step 2: Convert to fraction form
    12,566.86/17,341.95 = 6,977.50/x
  3. Step 3: Cross multiply
    12,566.86x = 17,341.95 × 6,977.50
  4. Step 4: Simplify right side
    12,566.86x = 121,003,456.13
  5. Step 5: Solve for x
    x = 121,003,456.13/12,566.86
  6. Step 6: Final answer
    x = 9,628.77

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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.