Home / 20,258.02-30,386.98-7,114.15

Finding the Fourth Proportional to 20,258.02, 30,386.98 and 7,114.15

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Solution

The fourth proportional to 20,258.02, 30,386.98 and 7,114.15 is: 10,671.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258.02 : 30,386.98 = 7,114.15 : x
  2. Step 2: Convert to fraction form
    20,258.02/30,386.98 = 7,114.15/x
  3. Step 3: Cross multiply
    20,258.02x = 30,386.98 × 7,114.15
  4. Step 4: Simplify right side
    20,258.02x = 216,177,533.77
  5. Step 5: Solve for x
    x = 216,177,533.77/20,258.02
  6. Step 6: Final answer
    x = 10,671.21

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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.