Home / 10,858.76-14,985.30-6,143.24

Finding the Fourth Proportional to 10,858.76, 14,985.30 and 6,143.24

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Solution

The fourth proportional to 10,858.76, 14,985.30 and 6,143.24 is: 8,477.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858.76 : 14,985.30 = 6,143.24 : x
  2. Step 2: Convert to fraction form
    10,858.76/14,985.30 = 6,143.24/x
  3. Step 3: Cross multiply
    10,858.76x = 14,985.30 × 6,143.24
  4. Step 4: Simplify right side
    10,858.76x = 92,058,294.37
  5. Step 5: Solve for x
    x = 92,058,294.37/10,858.76
  6. Step 6: Final answer
    x = 8,477.79

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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.