Home / 14,147.40-21,303.30-10,475.64

Finding the Fourth Proportional to 14,147.40, 21,303.30 and 10,475.64

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Solution

The fourth proportional to 14,147.40, 21,303.30 and 10,475.64 is: 15,774.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.40 : 21,303.30 = 10,475.64 : x
  2. Step 2: Convert to fraction form
    14,147.40/21,303.30 = 10,475.64/x
  3. Step 3: Cross multiply
    14,147.40x = 21,303.30 × 10,475.64
  4. Step 4: Simplify right side
    14,147.40x = 223,165,701.61
  5. Step 5: Solve for x
    x = 223,165,701.61/14,147.40
  6. Step 6: Final answer
    x = 15,774.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.