Home / 13,460.84-18,577.14-9,207.08

Finding the Fourth Proportional to 13,460.84, 18,577.14 and 9,207.08

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Solution

The fourth proportional to 13,460.84, 18,577.14 and 9,207.08 is: 12,706.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460.84 : 18,577.14 = 9,207.08 : x
  2. Step 2: Convert to fraction form
    13,460.84/18,577.14 = 9,207.08/x
  3. Step 3: Cross multiply
    13,460.84x = 18,577.14 × 9,207.08
  4. Step 4: Simplify right side
    13,460.84x = 171,041,214.15
  5. Step 5: Solve for x
    x = 171,041,214.15/13,460.84
  6. Step 6: Final answer
    x = 12,706.58

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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.