Home / 15,718.70-23,541.60-9,813.80

Finding the Fourth Proportional to 15,718.70, 23,541.60 and 9,813.80

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Solution

The fourth proportional to 15,718.70, 23,541.60 and 9,813.80 is: 14,697.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,718.70 : 23,541.60 = 9,813.80 : x
  2. Step 2: Convert to fraction form
    15,718.70/23,541.60 = 9,813.80/x
  3. Step 3: Cross multiply
    15,718.70x = 23,541.60 × 9,813.80
  4. Step 4: Simplify right side
    15,718.70x = 231,032,554.08
  5. Step 5: Solve for x
    x = 231,032,554.08/15,718.70
  6. Step 6: Final answer
    x = 14,697.94

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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.