Home / 19,459.81-29,167.03-8,930.94

Finding the Fourth Proportional to 19,459.81, 29,167.03 and 8,930.94

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Solution

The fourth proportional to 19,459.81, 29,167.03 and 8,930.94 is: 13,386.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,459.81 : 29,167.03 = 8,930.94 : x
  2. Step 2: Convert to fraction form
    19,459.81/29,167.03 = 8,930.94/x
  3. Step 3: Cross multiply
    19,459.81x = 29,167.03 × 8,930.94
  4. Step 4: Simplify right side
    19,459.81x = 260,489,054.48
  5. Step 5: Solve for x
    x = 260,489,054.48/19,459.81
  6. Step 6: Final answer
    x = 13,386.00

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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.