Home / 10,858.75-14,985.08-6,142.93

Finding the Fourth Proportional to 10,858.75, 14,985.08 and 6,142.93

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Solution

The fourth proportional to 10,858.75, 14,985.08 and 6,142.93 is: 8,477.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858.75 : 14,985.08 = 6,142.93 : x
  2. Step 2: Convert to fraction form
    10,858.75/14,985.08 = 6,142.93/x
  3. Step 3: Cross multiply
    10,858.75x = 14,985.08 × 6,142.93
  4. Step 4: Simplify right side
    10,858.75x = 92,052,297.48
  5. Step 5: Solve for x
    x = 92,052,297.48/10,858.75
  6. Step 6: Final answer
    x = 8,477.25

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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.