Home / 11,563.61-15,957.81-6,258.47

Finding the Fourth Proportional to 11,563.61, 15,957.81 and 6,258.47

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Solution

The fourth proportional to 11,563.61, 15,957.81 and 6,258.47 is: 8,636.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,563.61 : 15,957.81 = 6,258.47 : x
  2. Step 2: Convert to fraction form
    11,563.61/15,957.81 = 6,258.47/x
  3. Step 3: Cross multiply
    11,563.61x = 15,957.81 × 6,258.47
  4. Step 4: Simplify right side
    11,563.61x = 99,871,395.36
  5. Step 5: Solve for x
    x = 99,871,395.36/11,563.61
  6. Step 6: Final answer
    x = 8,636.70

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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.