Home / 13,030.39-19,547.61-4,263.22

Finding the Fourth Proportional to 13,030.39, 19,547.61 and 4,263.22

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Solution

The fourth proportional to 13,030.39, 19,547.61 and 4,263.22 is: 6,395.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030.39 : 19,547.61 = 4,263.22 : x
  2. Step 2: Convert to fraction form
    13,030.39/19,547.61 = 4,263.22/x
  3. Step 3: Cross multiply
    13,030.39x = 19,547.61 × 4,263.22
  4. Step 4: Simplify right side
    13,030.39x = 83,335,761.90
  5. Step 5: Solve for x
    x = 83,335,761.90/13,030.39
  6. Step 6: Final answer
    x = 6,395.49

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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.