Home / 19,359.95-26,706.89-12,649.50

Finding the Fourth Proportional to 19,359.95, 26,706.89 and 12,649.50

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Solution

The fourth proportional to 19,359.95, 26,706.89 and 12,649.50 is: 17,449.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359.95 : 26,706.89 = 12,649.50 : x
  2. Step 2: Convert to fraction form
    19,359.95/26,706.89 = 12,649.50/x
  3. Step 3: Cross multiply
    19,359.95x = 26,706.89 × 12,649.50
  4. Step 4: Simplify right side
    19,359.95x = 337,828,741.81
  5. Step 5: Solve for x
    x = 337,828,741.81/19,359.95
  6. Step 6: Final answer
    x = 17,449.88

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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.