Home / 13,030.02-19,523.43-11,721.06

Finding the Fourth Proportional to 13,030.02, 19,523.43 and 11,721.06

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Solution

The fourth proportional to 13,030.02, 19,523.43 and 11,721.06 is: 17,562.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030.02 : 19,523.43 = 11,721.06 : x
  2. Step 2: Convert to fraction form
    13,030.02/19,523.43 = 11,721.06/x
  3. Step 3: Cross multiply
    13,030.02x = 19,523.43 × 11,721.06
  4. Step 4: Simplify right side
    13,030.02x = 228,835,294.44
  5. Step 5: Solve for x
    x = 228,835,294.44/13,030.02
  6. Step 6: Final answer
    x = 17,562.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.