Home / 17,378.09-26,070.77-7,518.77

Finding the Fourth Proportional to 17,378.09, 26,070.77 and 7,518.77

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Solution

The fourth proportional to 17,378.09, 26,070.77 and 7,518.77 is: 11,279.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,378.09 : 26,070.77 = 7,518.77 : x
  2. Step 2: Convert to fraction form
    17,378.09/26,070.77 = 7,518.77/x
  3. Step 3: Cross multiply
    17,378.09x = 26,070.77 × 7,518.77
  4. Step 4: Simplify right side
    17,378.09x = 196,020,011.80
  5. Step 5: Solve for x
    x = 196,020,011.80/17,378.09
  6. Step 6: Final answer
    x = 11,279.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.