Home / 14,268.32-21,423.26-10,130.30

Finding the Fourth Proportional to 14,268.32, 21,423.26 and 10,130.30

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Solution

The fourth proportional to 14,268.32, 21,423.26 and 10,130.30 is: 15,210.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.32 : 21,423.26 = 10,130.30 : x
  2. Step 2: Convert to fraction form
    14,268.32/21,423.26 = 10,130.30/x
  3. Step 3: Cross multiply
    14,268.32x = 21,423.26 × 10,130.30
  4. Step 4: Simplify right side
    14,268.32x = 217,024,050.78
  5. Step 5: Solve for x
    x = 217,024,050.78/14,268.32
  6. Step 6: Final answer
    x = 15,210.20

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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.