Home / 10,367.95-14,300.47-6,387.79

Finding the Fourth Proportional to 10,367.95, 14,300.47 and 6,387.79

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Solution

The fourth proportional to 10,367.95, 14,300.47 and 6,387.79 is: 8,810.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.95 : 14,300.47 = 6,387.79 : x
  2. Step 2: Convert to fraction form
    10,367.95/14,300.47 = 6,387.79/x
  3. Step 3: Cross multiply
    10,367.95x = 14,300.47 × 6,387.79
  4. Step 4: Simplify right side
    10,367.95x = 91,348,399.26
  5. Step 5: Solve for x
    x = 91,348,399.26/10,367.95
  6. Step 6: Final answer
    x = 8,810.65

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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.