Home / 13,746.04-18,968.98-7,458.28

Finding the Fourth Proportional to 13,746.04, 18,968.98 and 7,458.28

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Solution

The fourth proportional to 13,746.04, 18,968.98 and 7,458.28 is: 10,292.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746.04 : 18,968.98 = 7,458.28 : x
  2. Step 2: Convert to fraction form
    13,746.04/18,968.98 = 7,458.28/x
  3. Step 3: Cross multiply
    13,746.04x = 18,968.98 × 7,458.28
  4. Step 4: Simplify right side
    13,746.04x = 141,475,964.15
  5. Step 5: Solve for x
    x = 141,475,964.15/13,746.04
  6. Step 6: Final answer
    x = 10,292.13

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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.