Home / 19,567.32-26,998.95-12,400.05

Finding the Fourth Proportional to 19,567.32, 26,998.95 and 12,400.05

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Solution

The fourth proportional to 19,567.32, 26,998.95 and 12,400.05 is: 17,109.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,567.32 : 26,998.95 = 12,400.05 : x
  2. Step 2: Convert to fraction form
    19,567.32/26,998.95 = 12,400.05/x
  3. Step 3: Cross multiply
    19,567.32x = 26,998.95 × 12,400.05
  4. Step 4: Simplify right side
    19,567.32x = 334,788,329.95
  5. Step 5: Solve for x
    x = 334,788,329.95/19,567.32
  6. Step 6: Final answer
    x = 17,109.56

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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.