Home / 18,935.10-26,130.06-10,551.60

Finding the Fourth Proportional to 18,935.10, 26,130.06 and 10,551.60

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Solution

The fourth proportional to 18,935.10, 26,130.06 and 10,551.60 is: 14,561.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,935.10 : 26,130.06 = 10,551.60 : x
  2. Step 2: Convert to fraction form
    18,935.10/26,130.06 = 10,551.60/x
  3. Step 3: Cross multiply
    18,935.10x = 26,130.06 × 10,551.60
  4. Step 4: Simplify right side
    18,935.10x = 275,713,941.10
  5. Step 5: Solve for x
    x = 275,713,941.10/18,935.10
  6. Step 6: Final answer
    x = 14,561.00

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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.