Home / 10,342.88-14,275.80-6,623.36

Finding the Fourth Proportional to 10,342.88, 14,275.80 and 6,623.36

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Solution

The fourth proportional to 10,342.88, 14,275.80 and 6,623.36 is: 9,141.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.88 : 14,275.80 = 6,623.36 : x
  2. Step 2: Convert to fraction form
    10,342.88/14,275.80 = 6,623.36/x
  3. Step 3: Cross multiply
    10,342.88x = 14,275.80 × 6,623.36
  4. Step 4: Simplify right side
    10,342.88x = 94,553,762.69
  5. Step 5: Solve for x
    x = 94,553,762.69/10,342.88
  6. Step 6: Final answer
    x = 9,141.92

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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.