Home / 14,357.76-19,810.80-8,388.27

Finding the Fourth Proportional to 14,357.76, 19,810.80 and 8,388.27

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Solution

The fourth proportional to 14,357.76, 19,810.80 and 8,388.27 is: 11,574.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,357.76 : 19,810.80 = 8,388.27 : x
  2. Step 2: Convert to fraction form
    14,357.76/19,810.80 = 8,388.27/x
  3. Step 3: Cross multiply
    14,357.76x = 19,810.80 × 8,388.27
  4. Step 4: Simplify right side
    14,357.76x = 166,178,402.90
  5. Step 5: Solve for x
    x = 166,178,402.90/14,357.76
  6. Step 6: Final answer
    x = 11,574.12

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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.