Home / 19,461.32-26,860.62-12,663.82

Finding the Fourth Proportional to 19,461.32, 26,860.62 and 12,663.82

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Solution

The fourth proportional to 19,461.32, 26,860.62 and 12,663.82 is: 17,478.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,461.32 : 26,860.62 = 12,663.82 : x
  2. Step 2: Convert to fraction form
    19,461.32/26,860.62 = 12,663.82/x
  3. Step 3: Cross multiply
    19,461.32x = 26,860.62 × 12,663.82
  4. Step 4: Simplify right side
    19,461.32x = 340,158,056.77
  5. Step 5: Solve for x
    x = 340,158,056.77/19,461.32
  6. Step 6: Final answer
    x = 17,478.67

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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.