Home / 10,365.88-14,312.28-6,388.24

Finding the Fourth Proportional to 10,365.88, 14,312.28 and 6,388.24

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Solution

The fourth proportional to 10,365.88, 14,312.28 and 6,388.24 is: 8,820.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.88 : 14,312.28 = 6,388.24 : x
  2. Step 2: Convert to fraction form
    10,365.88/14,312.28 = 6,388.24/x
  3. Step 3: Cross multiply
    10,365.88x = 14,312.28 × 6,388.24
  4. Step 4: Simplify right side
    10,365.88x = 91,430,279.59
  5. Step 5: Solve for x
    x = 91,430,279.59/10,365.88
  6. Step 6: Final answer
    x = 8,820.31

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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.