Home / 13,386.49-20,079.63-4,026.47

Finding the Fourth Proportional to 13,386.49, 20,079.63 and 4,026.47

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Solution

The fourth proportional to 13,386.49, 20,079.63 and 4,026.47 is: 6,039.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,386.49 : 20,079.63 = 4,026.47 : x
  2. Step 2: Convert to fraction form
    13,386.49/20,079.63 = 4,026.47/x
  3. Step 3: Cross multiply
    13,386.49x = 20,079.63 × 4,026.47
  4. Step 4: Simplify right side
    13,386.49x = 80,849,927.41
  5. Step 5: Solve for x
    x = 80,849,927.41/13,386.49
  6. Step 6: Final answer
    x = 6,039.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.