Home / 14,646.60-21,969.90-9,106.20

Finding the Fourth Proportional to 14,646.60, 21,969.90 and 9,106.20

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Solution

The fourth proportional to 14,646.60, 21,969.90 and 9,106.20 is: 13,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,646.60 : 21,969.90 = 9,106.20 : x
  2. Step 2: Convert to fraction form
    14,646.60/21,969.90 = 9,106.20/x
  3. Step 3: Cross multiply
    14,646.60x = 21,969.90 × 9,106.20
  4. Step 4: Simplify right side
    14,646.60x = 200,062,303.38
  5. Step 5: Solve for x
    x = 200,062,303.38/14,646.60
  6. Step 6: Final answer
    x = 13,659.30

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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.