Home / 9,376.98-12,941.81-5,397.35

Finding the Fourth Proportional to 9,376.98, 12,941.81 and 5,397.35

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Solution

The fourth proportional to 9,376.98, 12,941.81 and 5,397.35 is: 7,449.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,376.98 : 12,941.81 = 5,397.35 : x
  2. Step 2: Convert to fraction form
    9,376.98/12,941.81 = 5,397.35/x
  3. Step 3: Cross multiply
    9,376.98x = 12,941.81 × 5,397.35
  4. Step 4: Simplify right side
    9,376.98x = 69,851,386.51
  5. Step 5: Solve for x
    x = 69,851,386.51/9,376.98
  6. Step 6: Final answer
    x = 7,449.24

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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.