Home / 9,646.39-13,314.45-5,457.07

Finding the Fourth Proportional to 9,646.39, 13,314.45 and 5,457.07

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Solution

The fourth proportional to 9,646.39, 13,314.45 and 5,457.07 is: 7,532.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,646.39 : 13,314.45 = 5,457.07 : x
  2. Step 2: Convert to fraction form
    9,646.39/13,314.45 = 5,457.07/x
  3. Step 3: Cross multiply
    9,646.39x = 13,314.45 × 5,457.07
  4. Step 4: Simplify right side
    9,646.39x = 72,657,885.66
  5. Step 5: Solve for x
    x = 72,657,885.66/9,646.39
  6. Step 6: Final answer
    x = 7,532.13

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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.