Home / 12,365.50-18,501.75-8,674.93

Finding the Fourth Proportional to 12,365.50, 18,501.75 and 8,674.93

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Solution

The fourth proportional to 12,365.50, 18,501.75 and 8,674.93 is: 12,979.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365.50 : 18,501.75 = 8,674.93 : x
  2. Step 2: Convert to fraction form
    12,365.50/18,501.75 = 8,674.93/x
  3. Step 3: Cross multiply
    12,365.50x = 18,501.75 × 8,674.93
  4. Step 4: Simplify right side
    12,365.50x = 160,501,386.13
  5. Step 5: Solve for x
    x = 160,501,386.13/12,365.50
  6. Step 6: Final answer
    x = 12,979.77

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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.