Home / 34,394.16-51,566.78-13,316.40

Finding the Fourth Proportional to 34,394.16, 51,566.78 and 13,316.40

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Solution

The fourth proportional to 34,394.16, 51,566.78 and 13,316.40 is: 19,965.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,394.16 : 51,566.78 = 13,316.40 : x
  2. Step 2: Convert to fraction form
    34,394.16/51,566.78 = 13,316.40/x
  3. Step 3: Cross multiply
    34,394.16x = 51,566.78 × 13,316.40
  4. Step 4: Simplify right side
    34,394.16x = 686,683,869.19
  5. Step 5: Solve for x
    x = 686,683,869.19/34,394.16
  6. Step 6: Final answer
    x = 19,965.13

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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.