Home / 13,482.09-18,605.02-7,513.63

Finding the Fourth Proportional to 13,482.09, 18,605.02 and 7,513.63

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Solution

The fourth proportional to 13,482.09, 18,605.02 and 7,513.63 is: 10,368.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482.09 : 18,605.02 = 7,513.63 : x
  2. Step 2: Convert to fraction form
    13,482.09/18,605.02 = 7,513.63/x
  3. Step 3: Cross multiply
    13,482.09x = 18,605.02 × 7,513.63
  4. Step 4: Simplify right side
    13,482.09x = 139,791,236.42
  5. Step 5: Solve for x
    x = 139,791,236.42/13,482.09
  6. Step 6: Final answer
    x = 10,368.66

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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.