Home / 14,208.99-21,282.40-11,715.81

Finding the Fourth Proportional to 14,208.99, 21,282.40 and 11,715.81

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Solution

The fourth proportional to 14,208.99, 21,282.40 and 11,715.81 is: 17,548.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208.99 : 21,282.40 = 11,715.81 : x
  2. Step 2: Convert to fraction form
    14,208.99/21,282.40 = 11,715.81/x
  3. Step 3: Cross multiply
    14,208.99x = 21,282.40 × 11,715.81
  4. Step 4: Simplify right side
    14,208.99x = 249,340,554.74
  5. Step 5: Solve for x
    x = 249,340,554.74/14,208.99
  6. Step 6: Final answer
    x = 17,548.08

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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.