Home / 12,312.41-18,457.66-4,519.40

Finding the Fourth Proportional to 12,312.41, 18,457.66 and 4,519.40

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Solution

The fourth proportional to 12,312.41, 18,457.66 and 4,519.40 is: 6,775.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,312.41 : 18,457.66 = 4,519.40 : x
  2. Step 2: Convert to fraction form
    12,312.41/18,457.66 = 4,519.40/x
  3. Step 3: Cross multiply
    12,312.41x = 18,457.66 × 4,519.40
  4. Step 4: Simplify right side
    12,312.41x = 83,417,548.60
  5. Step 5: Solve for x
    x = 83,417,548.60/12,312.41
  6. Step 6: Final answer
    x = 6,775.08

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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.