Home / 12,304.72-18,457.08-3,070.80

Finding the Fourth Proportional to 12,304.72, 18,457.08 and 3,070.80

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Solution

The fourth proportional to 12,304.72, 18,457.08 and 3,070.80 is: 4,606.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304.72 : 18,457.08 = 3,070.80 : x
  2. Step 2: Convert to fraction form
    12,304.72/18,457.08 = 3,070.80/x
  3. Step 3: Cross multiply
    12,304.72x = 18,457.08 × 3,070.80
  4. Step 4: Simplify right side
    12,304.72x = 56,678,001.26
  5. Step 5: Solve for x
    x = 56,678,001.26/12,304.72
  6. Step 6: Final answer
    x = 4,606.20

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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.