Home / 19,718.02-27,210.49-11,219.95

Finding the Fourth Proportional to 19,718.02, 27,210.49 and 11,219.95

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Solution

The fourth proportional to 19,718.02, 27,210.49 and 11,219.95 is: 15,483.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,718.02 : 27,210.49 = 11,219.95 : x
  2. Step 2: Convert to fraction form
    19,718.02/27,210.49 = 11,219.95/x
  3. Step 3: Cross multiply
    19,718.02x = 27,210.49 × 11,219.95
  4. Step 4: Simplify right side
    19,718.02x = 305,300,215.25
  5. Step 5: Solve for x
    x = 305,300,215.25/19,718.02
  6. Step 6: Final answer
    x = 15,483.31

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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.