Home / 10,689.93-16,034.54-4,842.45

Finding the Fourth Proportional to 10,689.93, 16,034.54 and 4,842.45

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Solution

The fourth proportional to 10,689.93, 16,034.54 and 4,842.45 is: 7,263.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,689.93 : 16,034.54 = 4,842.45 : x
  2. Step 2: Convert to fraction form
    10,689.93/16,034.54 = 4,842.45/x
  3. Step 3: Cross multiply
    10,689.93x = 16,034.54 × 4,842.45
  4. Step 4: Simplify right side
    10,689.93x = 77,646,434.01
  5. Step 5: Solve for x
    x = 77,646,434.01/10,689.93
  6. Step 6: Final answer
    x = 7,263.51

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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.