Home / 19,961.02-27,547.25-13,990.51

Finding the Fourth Proportional to 19,961.02, 27,547.25 and 13,990.51

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Solution

The fourth proportional to 19,961.02, 27,547.25 and 13,990.51 is: 19,307.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.02 : 27,547.25 = 13,990.51 : x
  2. Step 2: Convert to fraction form
    19,961.02/27,547.25 = 13,990.51/x
  3. Step 3: Cross multiply
    19,961.02x = 27,547.25 × 13,990.51
  4. Step 4: Simplify right side
    19,961.02x = 385,400,076.60
  5. Step 5: Solve for x
    x = 385,400,076.60/19,961.02
  6. Step 6: Final answer
    x = 19,307.63

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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.