Home / 14,271.20-19,693.68-8,303.04

Finding the Fourth Proportional to 14,271.20, 19,693.68 and 8,303.04

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Solution

The fourth proportional to 14,271.20, 19,693.68 and 8,303.04 is: 11,457.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.20 : 19,693.68 = 8,303.04 : x
  2. Step 2: Convert to fraction form
    14,271.20/19,693.68 = 8,303.04/x
  3. Step 3: Cross multiply
    14,271.20x = 19,693.68 × 8,303.04
  4. Step 4: Simplify right side
    14,271.20x = 163,517,412.79
  5. Step 5: Solve for x
    x = 163,517,412.79/14,271.20
  6. Step 6: Final answer
    x = 11,457.86

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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.