Home / 19,271.96-26,599.76-12,545.88

Finding the Fourth Proportional to 19,271.96, 26,599.76 and 12,545.88

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Solution

The fourth proportional to 19,271.96, 26,599.76 and 12,545.88 is: 17,316.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,271.96 : 26,599.76 = 12,545.88 : x
  2. Step 2: Convert to fraction form
    19,271.96/26,599.76 = 12,545.88/x
  3. Step 3: Cross multiply
    19,271.96x = 26,599.76 × 12,545.88
  4. Step 4: Simplify right side
    19,271.96x = 333,717,396.99
  5. Step 5: Solve for x
    x = 333,717,396.99/19,271.96
  6. Step 6: Final answer
    x = 17,316.21

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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.