Home / 14,265.03-19,681.79-8,215.02

Finding the Fourth Proportional to 14,265.03, 19,681.79 and 8,215.02

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Solution

The fourth proportional to 14,265.03, 19,681.79 and 8,215.02 is: 11,334.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.03 : 19,681.79 = 8,215.02 : x
  2. Step 2: Convert to fraction form
    14,265.03/19,681.79 = 8,215.02/x
  3. Step 3: Cross multiply
    14,265.03x = 19,681.79 × 8,215.02
  4. Step 4: Simplify right side
    14,265.03x = 161,686,228.74
  5. Step 5: Solve for x
    x = 161,686,228.74/14,265.03
  6. Step 6: Final answer
    x = 11,334.45

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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.