Home / 14,477.40-19,977.84-9,173.93

Finding the Fourth Proportional to 14,477.40, 19,977.84 and 9,173.93

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Solution

The fourth proportional to 14,477.40, 19,977.84 and 9,173.93 is: 12,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,477.40 : 19,977.84 = 9,173.93 : x
  2. Step 2: Convert to fraction form
    14,477.40/19,977.84 = 9,173.93/x
  3. Step 3: Cross multiply
    14,477.40x = 19,977.84 × 9,173.93
  4. Step 4: Simplify right side
    14,477.40x = 183,275,205.82
  5. Step 5: Solve for x
    x = 183,275,205.82/14,477.40
  6. Step 6: Final answer
    x = 12,659.40

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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.