Home / 10,130.04-15,188.40-4,205.28

Finding the Fourth Proportional to 10,130.04, 15,188.40 and 4,205.28

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Solution

The fourth proportional to 10,130.04, 15,188.40 and 4,205.28 is: 6,305.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.04 : 15,188.40 = 4,205.28 : x
  2. Step 2: Convert to fraction form
    10,130.04/15,188.40 = 4,205.28/x
  3. Step 3: Cross multiply
    10,130.04x = 15,188.40 × 4,205.28
  4. Step 4: Simplify right side
    10,130.04x = 63,871,474.75
  5. Step 5: Solve for x
    x = 63,871,474.75/10,130.04
  6. Step 6: Final answer
    x = 6,305.16

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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.