Home / 12,962.40-17,888.45-7,297.36

Finding the Fourth Proportional to 12,962.40, 17,888.45 and 7,297.36

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Solution

The fourth proportional to 12,962.40, 17,888.45 and 7,297.36 is: 10,070.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962.40 : 17,888.45 = 7,297.36 : x
  2. Step 2: Convert to fraction form
    12,962.40/17,888.45 = 7,297.36/x
  3. Step 3: Cross multiply
    12,962.40x = 17,888.45 × 7,297.36
  4. Step 4: Simplify right side
    12,962.40x = 130,538,459.49
  5. Step 5: Solve for x
    x = 130,538,459.49/12,962.40
  6. Step 6: Final answer
    x = 10,070.55

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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.