Home / 18,857.48-26,030.58-12,567.56

Finding the Fourth Proportional to 18,857.48, 26,030.58 and 12,567.56

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Solution

The fourth proportional to 18,857.48, 26,030.58 and 12,567.56 is: 17,348.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,857.48 : 26,030.58 = 12,567.56 : x
  2. Step 2: Convert to fraction form
    18,857.48/26,030.58 = 12,567.56/x
  3. Step 3: Cross multiply
    18,857.48x = 26,030.58 × 12,567.56
  4. Step 4: Simplify right side
    18,857.48x = 327,140,875.98
  5. Step 5: Solve for x
    x = 327,140,875.98/18,857.48
  6. Step 6: Final answer
    x = 17,348.07

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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.