Home / 10,642.06-14,678.49-9,037.63

Finding the Fourth Proportional to 10,642.06, 14,678.49 and 9,037.63

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Solution

The fourth proportional to 10,642.06, 14,678.49 and 9,037.63 is: 12,465.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,642.06 : 14,678.49 = 9,037.63 : x
  2. Step 2: Convert to fraction form
    10,642.06/14,678.49 = 9,037.63/x
  3. Step 3: Cross multiply
    10,642.06x = 14,678.49 × 9,037.63
  4. Step 4: Simplify right side
    10,642.06x = 132,658,761.58
  5. Step 5: Solve for x
    x = 132,658,761.58/10,642.06
  6. Step 6: Final answer
    x = 12,465.52

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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.