Home / 14,889.80-20,525.46-9,291.08

Finding the Fourth Proportional to 14,889.80, 20,525.46 and 9,291.08

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Solution

The fourth proportional to 14,889.80, 20,525.46 and 9,291.08 is: 12,807.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,889.80 : 20,525.46 = 9,291.08 : x
  2. Step 2: Convert to fraction form
    14,889.80/20,525.46 = 9,291.08/x
  3. Step 3: Cross multiply
    14,889.80x = 20,525.46 × 9,291.08
  4. Step 4: Simplify right side
    14,889.80x = 190,703,690.90
  5. Step 5: Solve for x
    x = 190,703,690.90/14,889.80
  6. Step 6: Final answer
    x = 12,807.67

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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.