Home / 12,259.23-18,385.06-6,412.65

Finding the Fourth Proportional to 12,259.23, 18,385.06 and 6,412.65

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Solution

The fourth proportional to 12,259.23, 18,385.06 and 6,412.65 is: 9,617.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259.23 : 18,385.06 = 6,412.65 : x
  2. Step 2: Convert to fraction form
    12,259.23/18,385.06 = 6,412.65/x
  3. Step 3: Cross multiply
    12,259.23x = 18,385.06 × 6,412.65
  4. Step 4: Simplify right side
    12,259.23x = 117,896,955.01
  5. Step 5: Solve for x
    x = 117,896,955.01/12,259.23
  6. Step 6: Final answer
    x = 9,617.00

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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.