Home / 14,710.12-20,295.30-9,124.36

Finding the Fourth Proportional to 14,710.12, 20,295.30 and 9,124.36

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Solution

The fourth proportional to 14,710.12, 20,295.30 and 9,124.36 is: 12,588.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,710.12 : 20,295.30 = 9,124.36 : x
  2. Step 2: Convert to fraction form
    14,710.12/20,295.30 = 9,124.36/x
  3. Step 3: Cross multiply
    14,710.12x = 20,295.30 × 9,124.36
  4. Step 4: Simplify right side
    14,710.12x = 185,181,623.51
  5. Step 5: Solve for x
    x = 185,181,623.51/14,710.12
  6. Step 6: Final answer
    x = 12,588.72

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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.