Home / 15,341.40-23,012.10-8,459.64

Finding the Fourth Proportional to 15,341.40, 23,012.10 and 8,459.64

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Solution

The fourth proportional to 15,341.40, 23,012.10 and 8,459.64 is: 12,689.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,341.40 : 23,012.10 = 8,459.64 : x
  2. Step 2: Convert to fraction form
    15,341.40/23,012.10 = 8,459.64/x
  3. Step 3: Cross multiply
    15,341.40x = 23,012.10 × 8,459.64
  4. Step 4: Simplify right side
    15,341.40x = 194,674,081.64
  5. Step 5: Solve for x
    x = 194,674,081.64/15,341.40
  6. Step 6: Final answer
    x = 12,689.46

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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.