Home / 10,860.30-14,985.21-6,384.24

Finding the Fourth Proportional to 10,860.30, 14,985.21 and 6,384.24

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Solution

The fourth proportional to 10,860.30, 14,985.21 and 6,384.24 is: 8,809.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.30 : 14,985.21 = 6,384.24 : x
  2. Step 2: Convert to fraction form
    10,860.30/14,985.21 = 6,384.24/x
  3. Step 3: Cross multiply
    10,860.30x = 14,985.21 × 6,384.24
  4. Step 4: Simplify right side
    10,860.30x = 95,669,177.09
  5. Step 5: Solve for x
    x = 95,669,177.09/10,860.30
  6. Step 6: Final answer
    x = 8,809.07

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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.