Home / 10,434.90-14,400.95-6,458.33

Finding the Fourth Proportional to 10,434.90, 14,400.95 and 6,458.33

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Solution

The fourth proportional to 10,434.90, 14,400.95 and 6,458.33 is: 8,912.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434.90 : 14,400.95 = 6,458.33 : x
  2. Step 2: Convert to fraction form
    10,434.90/14,400.95 = 6,458.33/x
  3. Step 3: Cross multiply
    10,434.90x = 14,400.95 × 6,458.33
  4. Step 4: Simplify right side
    10,434.90x = 93,005,983.12
  5. Step 5: Solve for x
    x = 93,005,983.12/10,434.90
  6. Step 6: Final answer
    x = 8,912.97

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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.