Home / 14,242.40-19,652.81-8,577.05

Finding the Fourth Proportional to 14,242.40, 19,652.81 and 8,577.05

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Solution

The fourth proportional to 14,242.40, 19,652.81 and 8,577.05 is: 11,835.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.40 : 19,652.81 = 8,577.05 : x
  2. Step 2: Convert to fraction form
    14,242.40/19,652.81 = 8,577.05/x
  3. Step 3: Cross multiply
    14,242.40x = 19,652.81 × 8,577.05
  4. Step 4: Simplify right side
    14,242.40x = 168,563,134.01
  5. Step 5: Solve for x
    x = 168,563,134.01/14,242.40
  6. Step 6: Final answer
    x = 11,835.31

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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.