Home / 8,715.09-12,058.50-7,598.36

Finding the Fourth Proportional to 8,715.09, 12,058.50 and 7,598.36

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Solution

The fourth proportional to 8,715.09, 12,058.50 and 7,598.36 is: 10,513.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,715.09 : 12,058.50 = 7,598.36 : x
  2. Step 2: Convert to fraction form
    8,715.09/12,058.50 = 7,598.36/x
  3. Step 3: Cross multiply
    8,715.09x = 12,058.50 × 7,598.36
  4. Step 4: Simplify right side
    8,715.09x = 91,624,750.76
  5. Step 5: Solve for x
    x = 91,624,750.76/8,715.09
  6. Step 6: Final answer
    x = 10,513.34

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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.