Home / 14,290.96-19,724.81-9,511.11

Finding the Fourth Proportional to 14,290.96, 19,724.81 and 9,511.11

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Solution

The fourth proportional to 14,290.96, 19,724.81 and 9,511.11 is: 13,127.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.96 : 19,724.81 = 9,511.11 : x
  2. Step 2: Convert to fraction form
    14,290.96/19,724.81 = 9,511.11/x
  3. Step 3: Cross multiply
    14,290.96x = 19,724.81 × 9,511.11
  4. Step 4: Simplify right side
    14,290.96x = 187,604,837.64
  5. Step 5: Solve for x
    x = 187,604,837.64/14,290.96
  6. Step 6: Final answer
    x = 13,127.52

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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.