Home / 19,637.71-29,461.43-6,490.20

Finding the Fourth Proportional to 19,637.71, 29,461.43 and 6,490.20

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Solution

The fourth proportional to 19,637.71, 29,461.43 and 6,490.20 is: 9,736.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637.71 : 29,461.43 = 6,490.20 : x
  2. Step 2: Convert to fraction form
    19,637.71/29,461.43 = 6,490.20/x
  3. Step 3: Cross multiply
    19,637.71x = 29,461.43 × 6,490.20
  4. Step 4: Simplify right side
    19,637.71x = 191,210,572.99
  5. Step 5: Solve for x
    x = 191,210,572.99/19,637.71
  6. Step 6: Final answer
    x = 9,736.91

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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.