Home / 9,397.29-12,969.81-7,154.94

Finding the Fourth Proportional to 9,397.29, 12,969.81 and 7,154.94

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Solution

The fourth proportional to 9,397.29, 12,969.81 and 7,154.94 is: 9,875.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,397.29 : 12,969.81 = 7,154.94 : x
  2. Step 2: Convert to fraction form
    9,397.29/12,969.81 = 7,154.94/x
  3. Step 3: Cross multiply
    9,397.29x = 12,969.81 × 7,154.94
  4. Step 4: Simplify right side
    9,397.29x = 92,798,212.36
  5. Step 5: Solve for x
    x = 92,798,212.36/9,397.29
  6. Step 6: Final answer
    x = 9,875.00

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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.