Home / 13,225.13-18,253.74-8,501.21

Finding the Fourth Proportional to 13,225.13, 18,253.74 and 8,501.21

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Solution

The fourth proportional to 13,225.13, 18,253.74 and 8,501.21 is: 11,733.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225.13 : 18,253.74 = 8,501.21 : x
  2. Step 2: Convert to fraction form
    13,225.13/18,253.74 = 8,501.21/x
  3. Step 3: Cross multiply
    13,225.13x = 18,253.74 × 8,501.21
  4. Step 4: Simplify right side
    13,225.13x = 155,178,877.03
  5. Step 5: Solve for x
    x = 155,178,877.03/13,225.13
  6. Step 6: Final answer
    x = 11,733.64

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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.