Home / 13,294.08-19,905.12-9,123.84

Finding the Fourth Proportional to 13,294.08, 19,905.12 and 9,123.84

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Solution

The fourth proportional to 13,294.08, 19,905.12 and 9,123.84 is: 13,661.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.08 : 19,905.12 = 9,123.84 : x
  2. Step 2: Convert to fraction form
    13,294.08/19,905.12 = 9,123.84/x
  3. Step 3: Cross multiply
    13,294.08x = 19,905.12 × 9,123.84
  4. Step 4: Simplify right side
    13,294.08x = 181,611,130.06
  5. Step 5: Solve for x
    x = 181,611,130.06/13,294.08
  6. Step 6: Final answer
    x = 13,661.05

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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.