Home / 13,885.03-19,154.19-9,407.26

Finding the Fourth Proportional to 13,885.03, 19,154.19 and 9,407.26

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Solution

The fourth proportional to 13,885.03, 19,154.19 and 9,407.26 is: 12,977.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885.03 : 19,154.19 = 9,407.26 : x
  2. Step 2: Convert to fraction form
    13,885.03/19,154.19 = 9,407.26/x
  3. Step 3: Cross multiply
    13,885.03x = 19,154.19 × 9,407.26
  4. Step 4: Simplify right side
    13,885.03x = 180,188,445.42
  5. Step 5: Solve for x
    x = 180,188,445.42/13,885.03
  6. Step 6: Final answer
    x = 12,977.17

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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.