Home / 14,570.02-20,106.12-8,196.72

Finding the Fourth Proportional to 14,570.02, 20,106.12 and 8,196.72

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Solution

The fourth proportional to 14,570.02, 20,106.12 and 8,196.72 is: 11,311.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,570.02 : 20,106.12 = 8,196.72 : x
  2. Step 2: Convert to fraction form
    14,570.02/20,106.12 = 8,196.72/x
  3. Step 3: Cross multiply
    14,570.02x = 20,106.12 × 8,196.72
  4. Step 4: Simplify right side
    14,570.02x = 164,804,235.93
  5. Step 5: Solve for x
    x = 164,804,235.93/14,570.02
  6. Step 6: Final answer
    x = 11,311.19

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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.