Home / 13,359.84-18,415.28-10,522.72

Finding the Fourth Proportional to 13,359.84, 18,415.28 and 10,522.72

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Solution

The fourth proportional to 13,359.84, 18,415.28 and 10,522.72 is: 14,504.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359.84 : 18,415.28 = 10,522.72 : x
  2. Step 2: Convert to fraction form
    13,359.84/18,415.28 = 10,522.72/x
  3. Step 3: Cross multiply
    13,359.84x = 18,415.28 × 10,522.72
  4. Step 4: Simplify right side
    13,359.84x = 193,778,835.16
  5. Step 5: Solve for x
    x = 193,778,835.16/13,359.84
  6. Step 6: Final answer
    x = 14,504.58

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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.