Home / 14,428.14-19,908.63-9,130.20

Finding the Fourth Proportional to 14,428.14, 19,908.63 and 9,130.20

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Solution

The fourth proportional to 14,428.14, 19,908.63 and 9,130.20 is: 12,598.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428.14 : 19,908.63 = 9,130.20 : x
  2. Step 2: Convert to fraction form
    14,428.14/19,908.63 = 9,130.20/x
  3. Step 3: Cross multiply
    14,428.14x = 19,908.63 × 9,130.20
  4. Step 4: Simplify right side
    14,428.14x = 181,769,773.63
  5. Step 5: Solve for x
    x = 181,769,773.63/14,428.14
  6. Step 6: Final answer
    x = 12,598.28

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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.