Home / 10,526.20-14,543.95-8,145.88

Finding the Fourth Proportional to 10,526.20, 14,543.95 and 8,145.88

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Solution

The fourth proportional to 10,526.20, 14,543.95 and 8,145.88 is: 11,255.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,526.20 : 14,543.95 = 8,145.88 : x
  2. Step 2: Convert to fraction form
    10,526.20/14,543.95 = 8,145.88/x
  3. Step 3: Cross multiply
    10,526.20x = 14,543.95 × 8,145.88
  4. Step 4: Simplify right side
    10,526.20x = 118,473,271.43
  5. Step 5: Solve for x
    x = 118,473,271.43/10,526.20
  6. Step 6: Final answer
    x = 11,255.08

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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.