Home / 13,386.07-20,079.64-3,526.34

Finding the Fourth Proportional to 13,386.07, 20,079.64 and 3,526.34

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Solution

The fourth proportional to 13,386.07, 20,079.64 and 3,526.34 is: 5,289.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,386.07 : 20,079.64 = 3,526.34 : x
  2. Step 2: Convert to fraction form
    13,386.07/20,079.64 = 3,526.34/x
  3. Step 3: Cross multiply
    13,386.07x = 20,079.64 × 3,526.34
  4. Step 4: Simplify right side
    13,386.07x = 70,807,637.72
  5. Step 5: Solve for x
    x = 70,807,637.72/13,386.07
  6. Step 6: Final answer
    x = 5,289.65

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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.