Home / 14,085.12-21,113.02-4,718.08

Finding the Fourth Proportional to 14,085.12, 21,113.02 and 4,718.08

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Solution

The fourth proportional to 14,085.12, 21,113.02 and 4,718.08 is: 7,072.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,085.12 : 21,113.02 = 4,718.08 : x
  2. Step 2: Convert to fraction form
    14,085.12/21,113.02 = 4,718.08/x
  3. Step 3: Cross multiply
    14,085.12x = 21,113.02 × 4,718.08
  4. Step 4: Simplify right side
    14,085.12x = 99,612,917.40
  5. Step 5: Solve for x
    x = 99,612,917.40/14,085.12
  6. Step 6: Final answer
    x = 7,072.21

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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.