Home / 14,043.81-21,064.64-6,637.17

Finding the Fourth Proportional to 14,043.81, 21,064.64 and 6,637.17

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Solution

The fourth proportional to 14,043.81, 21,064.64 and 6,637.17 is: 9,955.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043.81 : 21,064.64 = 6,637.17 : x
  2. Step 2: Convert to fraction form
    14,043.81/21,064.64 = 6,637.17/x
  3. Step 3: Cross multiply
    14,043.81x = 21,064.64 × 6,637.17
  4. Step 4: Simplify right side
    14,043.81x = 139,809,563.48
  5. Step 5: Solve for x
    x = 139,809,563.48/14,043.81
  6. Step 6: Final answer
    x = 9,955.24

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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.