Home / 14,499.81-19,998.63-9,718.25

Finding the Fourth Proportional to 14,499.81, 19,998.63 and 9,718.25

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Solution

The fourth proportional to 14,499.81, 19,998.63 and 9,718.25 is: 13,403.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,499.81 : 19,998.63 = 9,718.25 : x
  2. Step 2: Convert to fraction form
    14,499.81/19,998.63 = 9,718.25/x
  3. Step 3: Cross multiply
    14,499.81x = 19,998.63 × 9,718.25
  4. Step 4: Simplify right side
    14,499.81x = 194,351,795.74
  5. Step 5: Solve for x
    x = 194,351,795.74/14,499.81
  6. Step 6: Final answer
    x = 13,403.75

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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.