Home / 19,962.09-29,926.71-7,955.46

Finding the Fourth Proportional to 19,962.09, 29,926.71 and 7,955.46

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Solution

The fourth proportional to 19,962.09, 29,926.71 and 7,955.46 is: 11,926.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,962.09 : 29,926.71 = 7,955.46 : x
  2. Step 2: Convert to fraction form
    19,962.09/29,926.71 = 7,955.46/x
  3. Step 3: Cross multiply
    19,962.09x = 29,926.71 × 7,955.46
  4. Step 4: Simplify right side
    19,962.09x = 238,080,744.34
  5. Step 5: Solve for x
    x = 238,080,744.34/19,962.09
  6. Step 6: Final answer
    x = 11,926.64

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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.