Home / 14,013.02-19,337.60-7,639.74

Finding the Fourth Proportional to 14,013.02, 19,337.60 and 7,639.74

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Solution

The fourth proportional to 14,013.02, 19,337.60 and 7,639.74 is: 10,542.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.02 : 19,337.60 = 7,639.74 : x
  2. Step 2: Convert to fraction form
    14,013.02/19,337.60 = 7,639.74/x
  3. Step 3: Cross multiply
    14,013.02x = 19,337.60 × 7,639.74
  4. Step 4: Simplify right side
    14,013.02x = 147,734,255.32
  5. Step 5: Solve for x
    x = 147,734,255.32/14,013.02
  6. Step 6: Final answer
    x = 10,542.64

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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.