Home / 13,338.84-18,386.33-10,501.72

Finding the Fourth Proportional to 13,338.84, 18,386.33 and 10,501.72

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Solution

The fourth proportional to 13,338.84, 18,386.33 and 10,501.72 is: 14,475.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338.84 : 18,386.33 = 10,501.72 : x
  2. Step 2: Convert to fraction form
    13,338.84/18,386.33 = 10,501.72/x
  3. Step 3: Cross multiply
    13,338.84x = 18,386.33 × 10,501.72
  4. Step 4: Simplify right side
    13,338.84x = 193,088,089.49
  5. Step 5: Solve for x
    x = 193,088,089.49/13,338.84
  6. Step 6: Final answer
    x = 14,475.63

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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.