Home / 10,045.40-15,068.12-4,847.63

Finding the Fourth Proportional to 10,045.40, 15,068.12 and 4,847.63

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Solution

The fourth proportional to 10,045.40, 15,068.12 and 4,847.63 is: 7,271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,045.40 : 15,068.12 = 4,847.63 : x
  2. Step 2: Convert to fraction form
    10,045.40/15,068.12 = 4,847.63/x
  3. Step 3: Cross multiply
    10,045.40x = 15,068.12 × 4,847.63
  4. Step 4: Simplify right side
    10,045.40x = 73,044,570.98
  5. Step 5: Solve for x
    x = 73,044,570.98/10,045.40
  6. Step 6: Final answer
    x = 7,271.45

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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.