Home / 19,557.02-26,988.18-11,173.52

Finding the Fourth Proportional to 19,557.02, 26,988.18 and 11,173.52

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Solution

The fourth proportional to 19,557.02, 26,988.18 and 11,173.52 is: 15,419.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,557.02 : 26,988.18 = 11,173.52 : x
  2. Step 2: Convert to fraction form
    19,557.02/26,988.18 = 11,173.52/x
  3. Step 3: Cross multiply
    19,557.02x = 26,988.18 × 11,173.52
  4. Step 4: Simplify right side
    19,557.02x = 301,552,968.99
  5. Step 5: Solve for x
    x = 301,552,968.99/19,557.02
  6. Step 6: Final answer
    x = 15,419.17

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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.