Home / 12,341.07-18,551.70-9,902.57

Finding the Fourth Proportional to 12,341.07, 18,551.70 and 9,902.57

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Solution

The fourth proportional to 12,341.07, 18,551.70 and 9,902.57 is: 14,886.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,341.07 : 18,551.70 = 9,902.57 : x
  2. Step 2: Convert to fraction form
    12,341.07/18,551.70 = 9,902.57/x
  3. Step 3: Cross multiply
    12,341.07x = 18,551.70 × 9,902.57
  4. Step 4: Simplify right side
    12,341.07x = 183,709,415.11
  5. Step 5: Solve for x
    x = 183,709,415.11/12,341.07
  6. Step 6: Final answer
    x = 14,886.02

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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.