Home / 13,409.04-20,088.12-8,953.26

Finding the Fourth Proportional to 13,409.04, 20,088.12 and 8,953.26

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Solution

The fourth proportional to 13,409.04, 20,088.12 and 8,953.26 is: 13,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,409.04 : 20,088.12 = 8,953.26 : x
  2. Step 2: Convert to fraction form
    13,409.04/20,088.12 = 8,953.26/x
  3. Step 3: Cross multiply
    13,409.04x = 20,088.12 × 8,953.26
  4. Step 4: Simplify right side
    13,409.04x = 179,854,161.27
  5. Step 5: Solve for x
    x = 179,854,161.27/13,409.04
  6. Step 6: Final answer
    x = 13,412.90

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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.