Home / 13,337.84-18,384.95-10,500.72

Finding the Fourth Proportional to 13,337.84, 18,384.95 and 10,500.72

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Solution

The fourth proportional to 13,337.84, 18,384.95 and 10,500.72 is: 14,474.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.84 : 18,384.95 = 10,500.72 : x
  2. Step 2: Convert to fraction form
    13,337.84/18,384.95 = 10,500.72/x
  3. Step 3: Cross multiply
    13,337.84x = 18,384.95 × 10,500.72
  4. Step 4: Simplify right side
    13,337.84x = 193,055,212.16
  5. Step 5: Solve for x
    x = 193,055,212.16/13,337.84
  6. Step 6: Final answer
    x = 14,474.25

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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.