Home / 19,929.43-27,483.06-12,376.99

Finding the Fourth Proportional to 19,929.43, 27,483.06 and 12,376.99

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Solution

The fourth proportional to 19,929.43, 27,483.06 and 12,376.99 is: 17,068.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929.43 : 27,483.06 = 12,376.99 : x
  2. Step 2: Convert to fraction form
    19,929.43/27,483.06 = 12,376.99/x
  3. Step 3: Cross multiply
    19,929.43x = 27,483.06 × 12,376.99
  4. Step 4: Simplify right side
    19,929.43x = 340,157,558.79
  5. Step 5: Solve for x
    x = 340,157,558.79/19,929.43
  6. Step 6: Final answer
    x = 17,068.10

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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.