Home / 10,642.18-14,686.37-6,166.26

Finding the Fourth Proportional to 10,642.18, 14,686.37 and 6,166.26

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Solution

The fourth proportional to 10,642.18, 14,686.37 and 6,166.26 is: 8,509.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,642.18 : 14,686.37 = 6,166.26 : x
  2. Step 2: Convert to fraction form
    10,642.18/14,686.37 = 6,166.26/x
  3. Step 3: Cross multiply
    10,642.18x = 14,686.37 × 6,166.26
  4. Step 4: Simplify right side
    10,642.18x = 90,559,975.88
  5. Step 5: Solve for x
    x = 90,559,975.88/10,642.18
  6. Step 6: Final answer
    x = 8,509.53

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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.