Home / 13,521.48-18,633.80-9,737.96

Finding the Fourth Proportional to 13,521.48, 18,633.80 and 9,737.96

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Solution

The fourth proportional to 13,521.48, 18,633.80 and 9,737.96 is: 13,419.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,521.48 : 18,633.80 = 9,737.96 : x
  2. Step 2: Convert to fraction form
    13,521.48/18,633.80 = 9,737.96/x
  3. Step 3: Cross multiply
    13,521.48x = 18,633.80 × 9,737.96
  4. Step 4: Simplify right side
    13,521.48x = 181,455,199.05
  5. Step 5: Solve for x
    x = 181,455,199.05/13,521.48
  6. Step 6: Final answer
    x = 13,419.77

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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.