Home / 10,412.19-14,364.02-6,377.79

Finding the Fourth Proportional to 10,412.19, 14,364.02 and 6,377.79

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Solution

The fourth proportional to 10,412.19, 14,364.02 and 6,377.79 is: 8,798.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.19 : 14,364.02 = 6,377.79 : x
  2. Step 2: Convert to fraction form
    10,412.19/14,364.02 = 6,377.79/x
  3. Step 3: Cross multiply
    10,412.19x = 14,364.02 × 6,377.79
  4. Step 4: Simplify right side
    10,412.19x = 91,610,671.23
  5. Step 5: Solve for x
    x = 91,610,671.23/10,412.19
  6. Step 6: Final answer
    x = 8,798.41

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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.