Home / 14,915.16-20,547.36-10,430.52

Finding the Fourth Proportional to 14,915.16, 20,547.36 and 10,430.52

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Solution

The fourth proportional to 14,915.16, 20,547.36 and 10,430.52 is: 14,369.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,915.16 : 20,547.36 = 10,430.52 : x
  2. Step 2: Convert to fraction form
    14,915.16/20,547.36 = 10,430.52/x
  3. Step 3: Cross multiply
    14,915.16x = 20,547.36 × 10,430.52
  4. Step 4: Simplify right side
    14,915.16x = 214,319,649.43
  5. Step 5: Solve for x
    x = 214,319,649.43/14,915.16
  6. Step 6: Final answer
    x = 14,369.25

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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.