Home / 19,347.69-26,681.50-12,967.12

Finding the Fourth Proportional to 19,347.69, 26,681.50 and 12,967.12

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Solution

The fourth proportional to 19,347.69, 26,681.50 and 12,967.12 is: 17,882.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,347.69 : 26,681.50 = 12,967.12 : x
  2. Step 2: Convert to fraction form
    19,347.69/26,681.50 = 12,967.12/x
  3. Step 3: Cross multiply
    19,347.69x = 26,681.50 × 12,967.12
  4. Step 4: Simplify right side
    19,347.69x = 345,982,261.84
  5. Step 5: Solve for x
    x = 345,982,261.84/19,347.69
  6. Step 6: Final answer
    x = 17,882.35

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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.