Home / 13,526.51-20,288.33-6,409.03

Finding the Fourth Proportional to 13,526.51, 20,288.33 and 6,409.03

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Solution

The fourth proportional to 13,526.51, 20,288.33 and 6,409.03 is: 9,612.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.51 : 20,288.33 = 6,409.03 : x
  2. Step 2: Convert to fraction form
    13,526.51/20,288.33 = 6,409.03/x
  3. Step 3: Cross multiply
    13,526.51x = 20,288.33 × 6,409.03
  4. Step 4: Simplify right side
    13,526.51x = 130,028,483.57
  5. Step 5: Solve for x
    x = 130,028,483.57/13,526.51
  6. Step 6: Final answer
    x = 9,612.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.