Home / 19,802.23-27,309.63-12,247.36

Finding the Fourth Proportional to 19,802.23, 27,309.63 and 12,247.36

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Solution

The fourth proportional to 19,802.23, 27,309.63 and 12,247.36 is: 16,890.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,802.23 : 27,309.63 = 12,247.36 : x
  2. Step 2: Convert to fraction form
    19,802.23/27,309.63 = 12,247.36/x
  3. Step 3: Cross multiply
    19,802.23x = 27,309.63 × 12,247.36
  4. Step 4: Simplify right side
    19,802.23x = 334,470,870.08
  5. Step 5: Solve for x
    x = 334,470,870.08/19,802.23
  6. Step 6: Final answer
    x = 16,890.57

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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.