Home / 11,345.77-17,023.52-10,378.63

Finding the Fourth Proportional to 11,345.77, 17,023.52 and 10,378.63

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Solution

The fourth proportional to 11,345.77, 17,023.52 and 10,378.63 is: 15,572.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.77 : 17,023.52 = 10,378.63 : x
  2. Step 2: Convert to fraction form
    11,345.77/17,023.52 = 10,378.63/x
  3. Step 3: Cross multiply
    11,345.77x = 17,023.52 × 10,378.63
  4. Step 4: Simplify right side
    11,345.77x = 176,680,804.22
  5. Step 5: Solve for x
    x = 176,680,804.22/11,345.77
  6. Step 6: Final answer
    x = 15,572.39

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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.