Home / 13,547.36-18,701.74-10,191.45

Finding the Fourth Proportional to 13,547.36, 18,701.74 and 10,191.45

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Solution

The fourth proportional to 13,547.36, 18,701.74 and 10,191.45 is: 14,069.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,547.36 : 18,701.74 = 10,191.45 : x
  2. Step 2: Convert to fraction form
    13,547.36/18,701.74 = 10,191.45/x
  3. Step 3: Cross multiply
    13,547.36x = 18,701.74 × 10,191.45
  4. Step 4: Simplify right side
    13,547.36x = 190,597,790.73
  5. Step 5: Solve for x
    x = 190,597,790.73/13,547.36
  6. Step 6: Final answer
    x = 14,069.00

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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.