Home / 14,987.48-20,677.81-10,681.25

Finding the Fourth Proportional to 14,987.48, 20,677.81 and 10,681.25

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Solution

The fourth proportional to 14,987.48, 20,677.81 and 10,681.25 is: 14,736.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987.48 : 20,677.81 = 10,681.25 : x
  2. Step 2: Convert to fraction form
    14,987.48/20,677.81 = 10,681.25/x
  3. Step 3: Cross multiply
    14,987.48x = 20,677.81 × 10,681.25
  4. Step 4: Simplify right side
    14,987.48x = 220,864,936.89
  5. Step 5: Solve for x
    x = 220,864,936.89/14,987.48
  6. Step 6: Final answer
    x = 14,736.63

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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.