Home / 14,085.16-19,429.02-9,305.14

Finding the Fourth Proportional to 14,085.16, 19,429.02 and 9,305.14

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Solution

The fourth proportional to 14,085.16, 19,429.02 and 9,305.14 is: 12,835.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,085.16 : 19,429.02 = 9,305.14 : x
  2. Step 2: Convert to fraction form
    14,085.16/19,429.02 = 9,305.14/x
  3. Step 3: Cross multiply
    14,085.16x = 19,429.02 × 9,305.14
  4. Step 4: Simplify right side
    14,085.16x = 180,789,751.16
  5. Step 5: Solve for x
    x = 180,789,751.16/14,085.16
  6. Step 6: Final answer
    x = 12,835.48

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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.